They________a presentation at this time tomorrow morning

1. They________a presentation at this time tomorrow morning.
A. are making.     
B. are going to make
C. will be making
D. will making
 
2. Mary_________ an hour ago.
A. don't see
B. hadn't seen
C. didn't see
D. haven't seen
 
3. What will Nam do when he________ school next year?A.could finish
B. will finish
C. has finished
D. finishes
 
4.I_______in Hanoi before I moved to HCM City.
A. had been living
B. had lived
C. have lived
D. have been living
 
5. When I was a boy, I__________tea to coffee.
A. preferred
B. was preferring
C. have preferred
D. prefer
6. He went back to work in his country after he___________ his course on Advanced Engineering in London.
A. was finishing
B. finishes
C. has finished
D. had finished
 
7.He_________up his mind yet. 
A. hasn't made
B. didn't make
C. wasn't making
D. wasn't make
 
8.I_______TV while my father___________a newspaper last night.
A. am watching/was reading
B. was watching / was reading
C. am watching/is reading
D. was watching/is reading

9. Tom and Mary__________ for Vietnam tomorrow.
A. have left
B. leaving
C. leave
D. will leave
10. The science lessons in this class_________difficult today
A. are
B. be
C. was
D.is