He didn't go home _____ the rain stop. A.until B.when C.since D.while
问题描述：
He didn't go home _____ the rain stop. A.until B.when C.since D.while
答
until not until 直到什么什么为止
答
A.直到雨停了他才回家。
答
a
not……until 直到……才……
答
A