How long will it be____the people's lives return to normal in the quake-hit area?A.after B.since C.when D.before
问题描述：
How long will it be____the people's lives return to normal in the quake-hit area?A.after B.since C.when D.before
答
before, 要过多久地震灾区的人们生活才能回到正常。
答
How long will it be (before) the people's lives return to normal in the quake-hit area?
答案是 D.before
how long ...before
要等多久 ...才...
要等多久灾区居民的生活才会恢复正常?