__________ entered the office when he realized that he had forgotten his report.
| A．He hardly had | B．Had he hardly |
| C．Hardly had he | D．Hardly he had |
_____ in a heavy rain, the teacher fell ill and couldn’t but ______ for a leave.
| A．Caught; to ask | B．Catching; ask |
| C．Catching; to ask | D．Caught; ask |
As soon as he comes back, I’ll tell him when __________ and see him. \
| A．you will come | B．will you come | C．you come | D．do you come |
Our teacher said to us that the earth _________ around the sun.
| A．travelled | B．travels | C．is traveling | D．was traveling |
While _________, people sometimes can’t help buying something they don’t really need.
| A．shopped | B．being shopped | C．to shop | D．shopping |
Alexander tried to get his work ______ in the medical field.
| A．to recognize | B．recognizing | C．recognized | D．recognize |