栖鸶
幼苗
共回答了18个问题采纳率:77.8% 举报
must和need相同:Yes,... must. No,... needn't/don't have to
may和can could相同:Yes,... may/can/could. No,... mustn't/...'d better not/can't.
shall:Yes,... can/may. No,... can't.
should:Yes,... should. No,... shouldn't.
will和would差不多:Yes,...do/will. No,...won't/thanks.
1年前
6