____ regular exercise is very important, it’s never a good idea to exercise too close to bedtime.
| A．It | B．As | C．Although | D．Unless |
It _____ quite a few years _____ the accused was declared innocent and set free.
| A．was; since | B．is; that | C．will be; when | D．was; before |
I'm not ___ my best tonight. I'd better not have anything for supper. Perhaps you'd_____me some tea.
| A．trying;give | B．doing;offer | C．making;bring | D．feeling; make |
The ______ is that the new machine will arrive tomorrow.
| A．chance | B．luck | C．happening | D．accident |
The employee must have been dismissed by the employer last month, _______ he?
| A．haven't | B．hasn't | C．didn't | D．wasn't |
--- We really enjoyed ourselves at the party. Thanks again, Mr and Mrs Johnson.
---______. Just drop in whenever you feel like it.
| A．With pleasure | B．Our great honor |
| C．Nice to meet you here | D．Nice having met you here |