Choose the best answer for the following sentence:
She can't stand __________________ under such terrible conditions. 
A. working             
B. to work              
C. to be working                 
D. work

Choose the best answer for the following sentence:
You __________ have my car if you like. I shan’t be using it tomorrow. 
A. had to  
B. may  
C. are to  
D. must

Choose the best answer for the following sentence:
If John hadn't quarreled with the bad boys at school, he ____________ a black eye. 
A. would have had                  
B. hadn't had
C. wouldn't have had                   
D. won't have had

Với hàm số y=2tan(1-2x) thì đạo hàm bằng: 
A. -4xsin2(1-2x).
B. 4xsin2(1-2x).
C. -4sin2(1-2x).
D. -4sin(1-2x).

Choose the best answer for the following sentence:
They ______________________ by the sea.
A. are staying at a hotel                         
B. are staying a hotel
C. are being stayed a hotel                       
D. are being stayed at a hotel

Choose the best answer for the following sentence:
Peter is ______________________ John. 
A. younger and more intelligent than                             
B. more young and intelligent than                   
C. more intelligent and younger than                               
D. the more intelligent and younger than

Choose the best answer for the following sentence:
We watched the little girl _____________________ across the street.
A.  to walk               
B. walk                     
C. is walking                 
D. walked

Choose the best answer for the following sentence:
In conclusion, it seems that although there are big differences between countries, computers are ___________ than televisions in most countries.
A. much less common still
B. less common still much
C. still much less common
D. much less still common

Ảnh của (C): (x - 2)2 + (y+3)2=25 qua Tv→, v→=(-3; 4) là
A. (C'): (x + 2)2 + (y-3)2=25
B. (C'): (x - 2)2 + (y+3)2=5
C. (C'): (x - 1)2 + (y + 1)2=25
D.  (C'): (x + 1)2 + (y - 1)2=25

Choose the best answer for the following sentence:
Every time I miss the bus, it means that I ____________ walk to work. 
A. has to 
B. had to  
C. have to  
D. could