问题

There is no doubt _______international cooperation is the key to dealing with cyber crime

A:then
B:that
C: wheather
D:this

正确答案是：

同类题型

The town has changed a lot _____ what it was before.

Visitors not to touch the exhibits.

_____ color is his coat

I am going to see the manager tomorrow, ____ he will be back from New York.

Do you think it’s hard to find a great flat _________ with his parents