Unless ________ to answer questions, the pupils won't talk in Mrs Smith's class.
#88754
A
asking
B
asked
C
being asked
D
having asked
推荐题目
Many buildings in the city need repairing, but the one     first is the library.
#96364
A
repaired
B
being repaired
C
repairing
D
to be repaired
Helen had to shout ________ above the sound of the music.
#95128
A
making herself hear
B
to make herself hear
C
making herself heard
D
to make herself heard