Choose the best answer for the following sentence:
She ___________ the news if she ______________ the radio this morning.
A. might not hear - didn’t turn on
B. might not have heard - hadn’t turned on
C. hadn’t heard - might not have turned on
D. didn’t hear - might not turn on

Choose the best answer for the following sentence:
The headmaster disapproved ____________ his behaviour.
A. by 
B. with 
C. of
D. on

Choose the best answer for the following sentence:
I am proud to have a family who is ___________ of every member.
A. supporting                    
B. supported                      
C. supportive                 
D. support

Choose the best answer for the following sentence:
Bathe the wound and _____________ a clean dressing. 
A. remove                 
B. detach                   
C. register                       
D. apply

Choose the best answer for the following sentence:
It is said that reading ______________ of a child when he leams to evaluate information in the book. 
A. sharpen the thinking processes
B. weaken the thinking processes
C. sharpens the thought processes
D. weakens the thought processes

Choose the best answer for the following sentence:
The country experienced prosperity during the Kennedy _____________. 
A. administer              
B. administration                
C. administrative                  
D. administrator

Choose the best answer for the following sentence:
If he hadn’t wasted too much time, he ___________ in his examination. 
A. would fail               
B. wouldn’t fail
C. wouldn’t have failed                
D. won’t fail

Choose the best answer for the following sentence:
He congratulated me __________ winning the competition. 
A. of                 
B. on                 
C. at                 
D. about

 Hàm số $y=\sin 2x$ tuần hoàn với chu kì
A. $T=2\pi .$
B. $T=\pi .$
C. $T=\frac{\pi }{2}.$
D. $T=\frac{\pi }{4}.$

Choose the best answer for the following sentence:
I ______________ to New York three times this year. 
A. have been             
B. was                 
C. were                
D. had been