It was noisy .The children ....................a party
A) were having
B) had
C) had had
D) was having
_____________________
There was a time when letter .......................really a means of communication
A) were
B) was
C) had been
D) has been
_______________________
At last the bus came .We ..........................for half an hour
A) waited
B) was waiting
C) have waited
D) had been waiting
__________________
Everyone.............................when he......................to the party
A) were dancing/came
B) danced/came
C) was dancing/came
D) danced /was coming
________________________________
I...................difficult Math puzzles since I..........a child
A) solved/have been
B) had solved /was
C) have solved/was
D) solved/was
______________________
My mother .................................as a shop assistant when she ....................a student
A) use to work/was
B) used to worked/was
C) use to worked/was
D) used to work/was
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Sinh Học lớp 12
