问题

Many websites have been _______ to help people study foreign languages.

A:set off
B:set up
C:set down
D:set out

正确答案是：

同类题型

It was a nice house, but _____ too small for a family of live [ ]

I really don’t know _________ I had my money stolen.

What have you done ____ my picture-book?

Most parents are not __________ the danger of their babies’ eating jelly, which causes most unfortunate incidents to happen[ ]

What are you going to do this afternoon—I’m not sure. I go swimming with my friend.