问题

Electric trains have now _______steam trains in England.

A:they
B:taken up
C:taken on
D:taken the place of

正确答案是：

同类题型

Are ______ your cousins —No. I don’t know ______.

We should use _______ people and ______ money to do the work better.

I guess we have already talked about this before but I’ll ask you again just ________.

The man ______ gave us a talk on science yesterday isa famous scientist.

___ do you call her — We call her Xiwang.