_______ 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
I worked as hard as I could _______ for the final exam.
#94487
A
to prepare
B
prepare
C
preparing
D
prepared
The criminals ______ in a hotel the other day were connected with a murder(谋杀).
#88207
A
arrested
B
to be arrested
C
being arrested
D
arresting