用can,can't,must或have to 填空
用can,can't,must或have to 填空
根据句意,选用can,can't,must .have to has to或has to 填空.
用can,must,musn't,have to,has to填空
用can.can't,must,mustn't,will,have,to填空
用should,shouldn’t,must,mustn’t,needn’t,can’t ,may,have to 填空
用would,can,can't,must,have to 填空.1.The last bus has left.We_
用have to,must,can,can't填空:I____read a book before I____wath
用 can may must have to及否定形式填空
用must,can,can't,needn't,has to,have to,had to,will,造句
用must,must not,can或can not填空
用can,must,can't,mustn't填空
用can/can't;must/mustn't填空