Choose the best answer for the following sentence:
''What did you do last night?'' ''I watched TV, practiced the piano, and _________________ my homework.'' 
A. made              
B. do                 
C. done           
D.  did

Choose the best answer for the following sentence:
This note is only a reminder. It's _________________________. 
A. nothing                 
B. no one                 
C. nothing extra                  
D. nothing more

Choose the best answer for the following sentence:
Happiness finally came to the patient couple after many _______________ years.
A. disturbed  
B. disrupted   
C. breaking    
D. intervening

Choose the best answer for the following sentence:
They picked up all the fruit _____________ had ripened.
A. who 
B. that 
C. where
D. whose

Choose the best answer for the following sentence:
I knew you ___________ because your hair was covered with paint.
A. was painting
B. have painted
C.  have been painting
D. had been painting

Choose the best answer for the following sentence:
The _____________ of economic sacrifice rests on the workers of the plant.
A. charge                
B. burden                 
C. weight                   
D. significance

Choose the best answer for the following sentence:
We are all very excited. ____________________ are very excited. 
A. All me               
B. Us all                  
C. All us                 
D. All of us

Choose the best answer for the following sentence:
Nancy ___________ at Bob’s house every night this week.
 
A. has been eaten                
B. has eating               
C. is being eaten              
D. has been eating

Choose the best answer for the following sentence:
That was the shape of an old lady and held firmly in her hands what _____________ a walking stick.
A. had appeared to be
B. appeared to have been
C. appeared to be
D. appeared being

Phép tịnh tiến theo v→ =(1; -3) biến đường tròn (C): x2+y2-2x+4y-1=0 thành đường tròn có
phương trình:
A. (x-2)2+(y+5)2=6
B. (x-2)2+(y-1)2=16
C. (x-2)2+(y-1)2=6
D. (x-2)2+(y-1)2=16