_______ in the queue for half an hour, Tom suddenly realized that he had left his wallet at home.
#90114
A
To wait
B
Having waited
C
Have waited
D
To have waited
推荐题目
The manager introduced the rules that she would like to see _______ the next year.
#98945
A
establish
B
establishing
C
established
D
to establish
 With a big family ________, the couple are living a hard life.
#97686
A
to be supported
B
to support
C
supported
D
supporting
--What do you think made Mary so upset ? ---______  her new bicycle.
#93815
A
As she lost
B
Lost
C
Losing
D
Because of losing