问题

There is no doubt ________ China has made a great breakthrough in developing education in the countryside.[ ]

A: /
B: which
C: that
D: what

正确答案是：

同类题型

I have never seen the word______ that way before.

Which sentence structure is “S+V+P”

d to see each other ______,but I haven’t heardfrom him since last year.

Tom has been in the factory _________he left school

If you have a toothache, you should see a .