So sudden ________that the enemy had no time to escape. 
#84632
A
did the attack
B
the attack did
C
was the attack
D
the attack was
推荐题目
The door burst open and________, shouting with anger. 
#80385
A
in rushed a crowd
B
in rushing a crowd
C
rushed in a crowd
D
in a crowd did rush
It was not until 1978_____ set free from the prison.
#80908
A
that the old professor was
B
did the old professor
C
was the old professor
D
that was the old professor
Young people tend to get up very late unless ________ to rise early.
#83368
A
required
B
requiring
C
they were required
D
to require