Peter            opened the door of the room, wondering what he might find.

Don’t take any           of Mike. He’s always rude to everyone.

A sight                       B. view                       C. notice                     D. attention

My wife is always            when she has a problem at work and becomes angry at  me for no reason at all.

A.bad-tempered B. talkative C. jealous                   D. content

Most developing countries are in           of capital and technical assistance.

A.lack B. need C. shortage                D. excess

The village was               visible through the dense fog.

A.only B. barely C. mostly                   D. hard

I can’t go out this morning. I’m up to   in reports.

A.eye B. ears C. feet                         D. fingers

You must fill in this                      form in capital letters.

He is doing very badly but he tries to                appearance.

         me to phone them before I go out.

Shakespeare asserts the right of women to    and independence.

Could you please stop             so much noise?

A.make B. making C. to make                 D. to making

Police are warning the public to be on the        for suspicious packages.

A. care alert C. guard                     D. alarm

The                 polluted atmosphere in some industrial regions is called “smog”.

They are conducting a wide                  of surveys throughout Vietnam.

A.collection B. range C. selection                D. group

You must                    allowances for him; he is not very healthy!

A. get Bdo C. make                      D. have

I                        it’ll rain this afternoon.

Thủy phân một loại chất béo X trong dung dịch axit loãng thu được một axit béo no Y và glixerol. Trong phân tử Y % khối lượng cacbon bằng 76,056%. Công thức cấu tạo của chất béo X là: 

A. (C17H35COO)3C3H5

B. (C15H31COO)3C3H5

C. (C17H33COO)3C3H5

D. (C17H31COO)3C3H5

Scientists  and  engineers  have  invented  devices   to  remove         from  industrial wastes.

A.pollutions B. pollute C. polluting               D. pollutants

Our country has large areas of             beauty.

Although the patient’s condition is serious, she seems to be out of           .

She                 regretted having been so unkind.

Mai, Lan and Nga are 17, 19, 20 years old           .

A.separately B. respectively C. independently     D. respectfully

During the boss’s                    his assistant took over.

A.vanishing B. disappearance C. absence                 D. loss

If you        in behaving in this way, you will bring yourself nothing but trouble.

If it’s raining tomorrow, we shall have to       the match till Sunday.

A.put off B. call off C. keep on                 D. carry out

There’s no              in going to school if you’re not willing to learn.

A.reason B. point C. aim                         D. purpose

Stop          about the bush, John! Just tell me exactly what the problem is.

I found it very hard to       between the two sounds.

All students should be         and literate when they leave school.

The youths nowadays have many things to do in their   time.

The widespread use of pesticides and herbicides has led to the        of groundwater in many parts of the world.

She pointed out that her wages           no relation to the amount of work she did.

The children had been     of the danger, but had taken no notice.

A.warned B. explained C. shown                   D. prevented

Today’s weather will be a                      of yesterday.

Trên cùng một nửa mặt phẳng bờ chứa tia Ox, vẽ tia Ot, Oy sao cho  .

a) Trong ba tia Ox , Oy, Ot tia nào năm giữa hai tia còn lại ? Vì sao?

b) So sánh góc và góc  ?

c) Tia Ot có là tia phân giác của góc xOy không? Vì sao?

When the teacher asked Daisy what the chemical formula was, her mind went       .

A.nothing B. blank C. empty                    D. none

Margarethe Von Trotta is a(n)               gifted filmmaker who made vital contributions to the New German movement of the 70’s and 80’s.

Today many species of plants and animals are in          of extinction.

A.danger B. endangered C. endanger               D. dangerous

He has read a lot of books and                  a lot of knowledge.

Tony would have forgotten the appointment if I hadn’t       him.

 A.remembered B. regarded C. reminded              D. recommended