With his attention _________ on his book, he didn’t notice someone entering his room.
#90427
A
concentrating
B
concentrated
C
to concentrate
D
concentrates
推荐题目
He got up late and hurried to his office, _____the breakfast untouched.
#93174
A
left
B
to leave
C
leaving
D
having left
Outside the exit, many fans waited for the great pop singer, _______to take a picture with him.
#90203
A
hoping
B
hope
C
hoped
D
to hope
Jr．Parkinson stood up and left the room, ____ the door behind him．
#90363
A
closing
B
closed
C
close
D
to close
If _____ to look after luggage for someone else, inform the police at once.
#91118
A
asked
B
to ask
C
asking
D
having asked
The airport________next year will help promote tourism in this area.
#89492
A
being completed
B
to be completed
C
completed
D
having been completed