______ the sound on the step, the boy rushed out to see if his mother had come back.
#91651
A
To hear
B
Hearing
C
Heard
D
Hear
推荐题目
_____ afraid _____ behind, Bill studied even harder than ever before.
#98344
A
To be； of falling
B
Being； fall
C
Being； of falling
D
To be； to fall
With more and more tourists invading, lots of places of interest require ______.
#93011
A
being repaired
B
repaired
C
to be repairing
D
repairing
I’ll have to change my clothes before I go out — I don’t want ________ like this.
#98601
A
to see
B
seeing
C
to be seen
D
being seen
My friend Jack has just sent me an e-mail, _______ me about his travels around the world.
#94486
A
tells
B
told
C
telling
D
to tell