--All the building materials have been washed away.
---So I have heard. But there was no sign ______ a heavy rain was on the way last night.
A.when | B.If | C.which | D.that |
推荐套卷
--All the building materials have been washed away.
---So I have heard. But there was no sign ______ a heavy rain was on the way last night.
A.when | B.If | C.which | D.that |