The visiting minister expressed his satisfaction with the talks, ______ that he had enjoyed his stay here.
| A．having added | B．to add |
| C．adding | D．added |
I didn’t know that he was a cheat, or else I ________________ him.
| A．should have believed | B．shouldn’t believe |
| C．wouldn’t have believed | D．couldn’t believe |
If he had spent more time practicing speaking English before, he _____ able to speak it much better now.
| A．will be | B．would be |
| C．has been | D．would have been |
They must have been enjoying themselves there，or they __________ so long．
| A．wouldn’t stay | B．needn’t have stayed |
| C．wouldn’t have stayed | D．couldn’t stay |
Eye doctors recommend that a child's first eye exam ________ at the age of six months old.
| A．was | B．be |
| C．were | D．is |
—Where are the children? The dinner's going to be completely ruined.
—I wish they______always late.
| A．weren't | B．hadn't been |
| C．wouldn't be | D．wouldn't have been |