do does did have has had 作助动词怎么造句

题目

do does did have has had 作助动词怎么造句

答案

例句如下：【 Do 】 you do homework every day?【 Does 】Helen go to school by bus every day?【 Did 】 Liu Tao do homework yesterday?We 【 have】 just done the washing-up.He 【has】 left for Japan.祝开...