I should not have laughed if I _________ you were serious.
| A．thought | B．would think | C．had thought | D．have thought |
_________ whenever you like;you are always welcome.
| A．Drop out | B．Call at | C．Drop in | D．Call on |
—Did you get a ticket then?
—Yes,otherwise I _________ the concert last night.
| A．didn’t attend | B．wouldn’t attend |
| C．hadn’t attended | D．wouldn’t have attended |
The Turners have a very practical little table that folds up out of the way when _________.
| A．not to needed | B．not needed | C．needed not | D．to be not needed |
It was until last year that he_________.
| A．left his home town for a new-start |
| B．came to realize the importance of learning English |
| C．worked as an English teacher at a middle school |
| D．set out to build a new house of his own |
________ out after a long walk,Mike called and said he couldn’t come to the party.
| A．Having worn | B．Being worn | C．To wear | D．Worn |