你可能感兴趣的试题
However Whatever Whichever Wherever
were; must finish be; finish were; finish be; finished
can’t mustn’t needn’t won’t
couldn’t have finished couldn’t finish could have finished could finish
Can;don’t Must;needn’t Must;mustn’t May;can’t
before as soon as though because
our, he us, him we, him us, he
Yes, we can No, we can’t Yes, we must No, we needn’t
needn't , may mustn't, may can't can needn't, must
May, must Must, may Must, may Must, must
were; must finish be; finish were; finish be; finished
would had to were able to must
Whatever;such However; such However; so Whatever ;that
mustn’t needn’t shouldn’t can’t