I could tell he was nervous because he was ______ in his chair.

Many people are interested in watching ______.

In “The Hobbits”, lots of houses _______ by a giant dragon.

It is important to ____________ in mind the historical dimension of these issues.

My dad found a big flashlight while he ______ his suitcase.

Well, it’s 11.11 p.m. I’d better hit the _______ if I want to get home before the last train comes.

My father advised me __________ fishing every morning.

A. $C_n^k=\frac{n!}{k!}$

B. $C_n^k=\frac{n!}{k!\left(n-k\right)!}$

C. $C_n^k=\frac{n!}{k\left(n-k\right)!}$

D. $C_n^k=\frac{n!}{\left(n-k\right)!}$

We __________ with a swim in the lake.

Pedestrians are supposed to walk on the __________.

A. $F\left(x\right)=e^x+C$

B. $F\left(x\right)=e^x+x+C$

C. $F\left(x\right)=e^x-x+C$

D. $F\left(x\right)=-e^x+x+C$

Glenda Nhung has read ________interesting book.

Linda never goes to school late, __________ she?

Since Lien Vu was unable to pay his bill, after a couple of months, her telephone was cut____.

A. $\frac{1}{3}Bh$

B. Bh

C. $\frac{1}{2}Bh$

D. 3Bh

Her accommodation is ________ away than mine.

Cho hàm số y = f(x) xác định trên R và có bảng xét dấu đạo hàm như sau:

Khi đó hàm số y = f(x) đồng biến trên khoảng

A. $\left(-1;+\infty \right)$

B. $\left(-\infty ;2\right)$

C. (-1;2)

D. $\left(-\infty ;-1\right)$

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions

A. 0

B. 3

C. 1

D. 2

A. x = 2

B. x = -1

C. y = 1

D. y = -2

A. $y^{\text{'}}={\pi }^x\ln \pi$

B. $y^{\text{'}}=x{\pi }^{x-1}\ln \pi$

C. $y^{\text{'}}=\frac{{\pi }^x}{\ln \pi }$

D. $y^{\text{'}}=x{\pi }^{x-1}$

Mark the letter A, B, C, or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.

The word afflicted in paragraph 1 is closest in meaning to _______.

The word it in paragraph 3 refers to _______.

The word premature in paragraph 1 is closest in meaning to _______.

According to paragraph 2, in Western Europe, an annual loss of at least one million healthy years is resulted from _______.

Which of the following is the best title for the passage?

The word that in paragraph 2 refers to _______.

The word personal in paragraph 2 is closest in meaning to _______.

According to paragraph 3 the iPhone oriented people's relationship with smartphones and geared toward _______.

Which of the following is NOT mentioned in paragraph 1 as a characteristic of the new iPhone?

What is the passage mainly-about?