你可能感兴趣的试题
However Whatever Whichever Wherever
can’t needn’t mustn’t may not
Can;don’t Must;needn’t Must;mustn’t May;can’t
Yes, we can No, we can’t Yes, we must No, we needn’t
to finish finishing finish doing
needn't , may mustn't, may can't can needn't, must
don't needn't mustn't can't
What an easy work How easy What hard work How hard--working
don't needn't mustn't can't
allow to allow for allow of allow into
to help help helping helped
Whatever; that However; as Whatever; which However; that
don't needn't mustn't can't