你可能感兴趣的试题
needn’t can’t mustn’t couldn’t
always sometimes often seldom
can’t needn’t couldn’t mustn’t
can't needn't couldn't mustn't
take;from take;for take;to take;of
possible necessary useful important
,so; that you can too; for you to so; that you may too; you can
always sometimes often seldom
can’t shouldn’t needn’t mustn’t
couldn’t mustn’t needn’t can’t
taxi. bus. subway. bicycl