问题描述:
含有until/till的句子,能改成一般疑问句吗?
Did you wait for him until six o'clock?这个句子对吗?
Did you wait for him until six o'clock?这个句子对吗?
问题解答:
我来补答展开全文阅读
问题描述:
问题解答:
我来补答