A sudden idea ……..to the cyclist that he might try the new method.
A. occurred B. happened C. took place D. took part

Lucy was late for school this morning because the alarm didn’t ……..as usual.
A. ring off B. get off C. go off D. take off

Tom’s eyes were red ……..he had been swimming in a chlorinated pool.
A. so B. but C. because D. in case

Jane cooks well……..she hates washing up afterwards.
A. however B. therefore C. so D. but

He had changed so much since the last time we met that I …….. him.
A. could recognize B. could hardly recognize
C. wouldn’t have recognized D. don‟t recognize

: You should take regular exercises instead of sitting in front of the television all day. 

A. Taking regular exercises is better than sitting in front of the television all day. 

B. Sitting in front of the television all day helps you take regular exercises. 

C. Sitting in front of the television all day and taking exercises are advisable. 

Only with careful environmental planning can we protect the world in which we live. 

A. Careful environmental planning protects the world we live in. 

B. Planning the environment carefully, we can protect the world in which we live. 

C. Protecting the world we live in, we plan the environment carefully. 

D. We can protect the world we live in only with careful environmental planning. 

We strongly believe that he's innocent of the crime. We do not think that he did it.
A. crimeless B. skillful C. clean D. guilty opposite

The most important thing is to keep yourself occupied.closest
A. relaxed B. comfortable C. possessive D. busy

She was brought up in a well-off family. She can’t understand the problems we are facing.
A. poor B. broke C. wealthy D. kind(closest

There are many______in our library.
A. interesting American old history books B. old American interesting history books.
C. interesting old American history books D. American interesting old history books

This is the latest news from earthquake site. Two- thirds of the city______in a fire.
A. has been destroyed B. have been destroyed
C. were destroyed D. was destroyed

The fire______to have started in the furnace under the house. 

A. is believed              B. that is believed       C. they believed          D. that they believe 

My sister is a woman of______age. 

We regret to tell you that the materials you ordered are______. 

A. out of stock            B. out of practice        C. out of reach            D. out of work 

When he started that company, he really went______. It might have been a disaster. 

A. out on the limb       B. on and off               C. over the odds          D.once too often 

The festival has many attractions. It will include contemporary orchestra music and an opera. 

____ , there will be poetry readings and theatrical presentations. 

A. Otherwise               B. Furthermore           C. Nevertheless           D. On the other hand 

In the early years of the 20th century, several rebellions______in the northern parts of the country. 

A. turned out               B. rose up                    C. broke out                D. came up 

People have used coal and oil to______electricity for a long time. 

A. bred                        B. raise                        C. cultivate                  D. generate 

The instructor blew his whistle and______. 

A. off the runners were running                     B. off ran the runners 

A quick look would reveal that France has twice______computers. 

A. more televisions than                                 B. many as televisions as 

Dr. Sales is a person______. 

A. in that I don’t have much confidence        B. whom I don’t have much confidence in him. 

C. in whom I don’t have much confidence    D. I don’t have much confidence 

"Oops! I’m sorry for stepping on your foot" – “______.” 

A. Never mind            B. You don't mind      C. You're welcome     D. That's fine 

How do you like your steak done?” _ “_______.” 

Antarctic blue whales can be 100 foot long and weigh more than any dinosaur that ever lived. 

1.So sánh

a, $4\sqrt{7}$và $3\sqrt{13}$

b,$\frac{1}{4}\sqrt{82 }$ và 6$\sqrt{\frac{1}{7}}$

2.Rút gọn biểu thức 

a, $\sqrt{98}$ - $\sqrt{72}$+ 0.85$\sqrt{8}$

b. $\sqrt{16a }+2\sqrt{4ba}-3\sqrt{90a}$ với a$\ge$0

c.$\left(2\sqrt{3}+\sqrt{5}\right) \times \sqrt{3}-\sqrt{60}$

d, $3\sqrt{13}$0

For such a demanding job, you will need qualifications, soft skills and having full commitment. 

New sources of energy have been looking for as the number of fossil fuels continues to decrease. 

comfortable     B. excellent                 C. communicate          D. confident 

geographical   B. economics              C. compulsory            D. education 

trọng amm

Các điểm A, B, C, D ở trục số trên hình 33 biểu diễn những số nào ?

Đọc các câu sau:

Ông Bảy có -150000 đồng.

Bà Năm có 200000 đồng

Đọc độ cao của các địa điểm dưới đây:

Độ cao của đỉnh núi Phan-xi-păng là 3143 mét.

Ba tổ chức cộng sản ra đời cuối 1929 chứng tỏ sự thắng thế :

A. Hoàn toàn của khuynh hướng vô sản

B. Bước đầu của khuynh hướng vô sản