I ________ use a clock to wake me up because at six o’clock each morning the train comes by my house. (2012·新课标全国，30)
| A．couldn’t | B．mustn’t |
| C．shouldn’t | D．needn’t |
His wife looks ___ than he is.
| A．many younger | B．much young | C．more younger | D．much younger |
This is the best film ___ have ___seen.
| A．that, never | B．which, ever | C．that I , ever | D．which I , ever |
--Della likes dancing, but doesn't like swimming.. ----_____.
| A．So does Mary | B．Neither does Mary | C．So it is with Mary | D．Nor does Mary |
___ , we would have taken raincoats with us.
| A．Had we known | B．We had known it | C．If we were known | D．If we know |
The machine is so old ___ it can’t be used any more ___ some of its parts are changed.
| A．as, unless | B．that, unless | C．that ,if | D．whether, or |