题目内容
________ in the queue for half an hour, Tom suddenly realized that he had left his wallet at home.
A. To wait
B. Have waited
C. Having waited
D. To have waited
C |
|
题目内容
________ in the queue for half an hour, Tom suddenly realized that he had left his wallet at home.
A. To wait
B. Have waited
C. Having waited
D. To have waited
C |
|