问题描述:
why not do sth全句是 why shall we not do sth
why not do sth?以前我记得是why don't you do sth 可今天我在教师用书中发现是why shall we not do sth 这该怎么讲?请赐教
why not do sth?以前我记得是why don't you do sth 可今天我在教师用书中发现是why shall we not do sth 这该怎么讲?请赐教
问题解答:
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