. __________ in Hangzhou station for two hours, the old man eventually caught the last train to go back to his home in Huangyan.
#97162
A
Waiting
B
To wait
C
Having waited
D
To have waited
推荐题目
_____to reach them on the phone, we sent an email instead.
#92184
A
Fail
B
Failed
C
To fail
D
Having failed
Do you remember _____ Mr.Smith at the meeting last Saturday?
#98389
A
to meet
B
meet
C
meeting
D
being met
        writing the article, Mrs. Curie even forgot her dinner. 
#95902
A
Absorbed in
B
Absorbing at
C
Having absorbed by
D
To absorb in