问题

What is even more important is______ the earth cooled down, water began to appear on its surface.

A:that
B:that as
C:which
D:which as

正确答案是：

同类题型

Has he changed his mind?—Yes. After some hours of discussion, I ____ to talk him into accepting the new plan.

absent for twoweeks, so he had a lot of homework to ________

You won’t go to Kathy’s wedding party, will you?—Yes, invited

s your home, _______ you may treat it as.

Only in this way ____make progress in your English.