I _______ keep dogs for protection, but now I keep them as pets.
| A．would rather | B．had better | C．used to | D．have to |
---Where ________ you _________? ---I went to see the football match.
| A．have; been | B．have; gone | C．are; going | D．will; go |
——Have you finished doing the work____? ——Not____.
| A．already;yet | B．yet;yet | C．already;already | D．yet;already |
— How was your stay in Hong Kong?
— And it was a pity that I couldn’t stay there longer.
| A．Nothing could be worse. | B．It was just fantastic. |
| C．A terrible experience. | D．What a hard time I had! |
Nobody except Tom and Millie that park before. Only they can be our guides.
| A．have been to | B．has been to | C．has gone to | D．have gone to |
---I called you yesterday evening, but there was no answer.
----- Oh, I’m sorry. I _____ dinner at a restaurant at that time.
| A．have | B．had | C．was having | D．have had |