Don't spend time beating on a wall, ________ to change it into a door.
#89542
A
hope 
B
hoping
C
hoped 
D
to hope
推荐题目
_______ as “a class of one ”, independent learning enabled you to study at your own pace.
#96491
A
Describing
B
Described
C
To be described
D
Being described
______ in the chimney for five hours, the thief looked very pale and tired 
#95394
A
Having been trapped
B
Being trapped 
C
trapping  
D
Having trapped
 The experts are trying to find ways of ____ the animals in danger.
#96792
A
rescuing
B
dragging
C
seizing
D
watching out
While reading an interesting story book in my room,______________.
#88544
A
the light suddenly went out
B
the doorbell rang
C
someone was shouting outside
D
I heard someone shouting outside
The teacher apologized          late.
#96239
A
to his students to arrive
B
to his students for arriving
C
at his students to arrive
D
at his students for arriving