_______ in the queue for half an hour, Tom suddenly realized that he had left his wallet at home.
#93916
A
To wait
B
Have waited
C
Having waited
D
To have waited
推荐题目
With world economic crisis_________, people appeal to the government for more unemployment benefits.
#96746
A
worsening
B
worsened
C
gone bad
D
went bad
_____in a friendly way ,their quarrel came to end ．
#97289
A
Being settled
B
Settled
C
Having settled
D
Settling
Do you feel like _____ out or would you rather that the two of us _____ dinner at home?
#97281
A
going; to have
B
to go; are going to have
C
to go; having
D
going; had
Around 15,000 officials gathered in Copenhagen, trying to map out an effective strategy _____ the battle against climate change．
#97616
A
to win
B
will win
C
winning
D
won