Revision of Module 2(外研选修6)
Revision of Module 2(外研选修6)第5页

Multiple choice:

1. I like getting up very early in summer. The morning air is so good ______. A. to be breathed B. to breathe C. breathing D. being breathed 2. ______ in the queen for half an hour, the old man suddenly realized be had left the cheque in the car. A. Waiting B. To wait C. Having Waited D. To have waited