Choose the best answer for the following sentence:
Most people are __________ than their parents used to be. 
A. better off                    
B. the best off
C. as well off                    
D. best off

Choose the best answer for the following sentence:
Did __________________ happen? No, nothing happened. 
A. nothing                 
B. anything                    
C. any                
D.  a thing

Choose the best answer for the following sentence:
The school administration decided to hold some ________________  classes for weak
students who have difficulty learning.
 
A. private                      
B.  adult                    
C.  evaluating                 
D. remedial

Choose the best answer for the following sentence:
______________ I've cleaned it and polished it, it still doesn't look new. 
A. Despite                 
B. Although                       
C. While                   
D. But

Choose the best answer for the following sentence:
“Tony and Toby look so much alike.” “Yes. It’s difficult to distinguish one tw¡n ___________ another.'' 
A. to               
B. by  
C. for 
D. from

Choose the best answer for the following sentence:
You have to pay extra if you take too _____________________ with you. 
A. much luggages                 
B. many luggages 
C. much luggage                
D. many luggage

Cho tứ diện $\displaystyle ABCD$ có hai mặt$\displaystyle ABC$ và$\displaystyle ABD$ là các tam giác đều. Góc giữa$\displaystyle AB$ và$\displaystyle CD$ là?
A. $\displaystyle 120{}^\circ $.
B. $\displaystyle 60{}^\circ $ .
C. $\displaystyle 90{}^\circ $.
D. $\displaystyle 30{}^\circ $ .

Choose the best answer for the following sentence:
That was all she remembered. She couldn’t remember ___________. 
A. some more                
B. any more  
C. no more  
D. none more

Choose the best answer for the following sentence:
Why __________________ my pen while I was out? You ______________________ it. 
A. did you take - broke         
B. did you take - are breaking 
C. have you taken - have broken             
D. did you take - have broken

Choose the best answer for the following sentence:
Tomatoes ______________ before they are completely ripe. 
A. can be picked                  
B. can pick                        
C. needn’t pick                    
D. should be picking