问题描述:
_____it is so hot outside,we'd better stay in doors.
A.since B.Though C.When D.If
A和D…到底选哪个…
A.since B.Though C.When D.If
A和D…到底选哪个…
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