问题

.. —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
B:If
C:which
D:that
正确答案是:
同类题型
Heis __________ as a leader but he doesn’t have _________in teaching
I want to work for ____________ when I’m older.
Let’s go shopping, shall we?— Wait a minuteI ________ my housework and it won’t take long
Food supplies in the flood-stricken area _______We must act immediately before there’s none left
He____as a national hero for winning the first gold medal for his country in the Olympics