问题

Lakes, ________ by vast grasslands, look like jewels [ ]

A: are surrounded
B: surrounded
C: being surrounded
D: surrounding

正确答案是：

同类题型

don’t feel well; I think I’m ______ with the flu.

__ your blog, I would have written back two days ago.

I’m afraid I’ve got a bad cold. —

____ does Mary ___—The USA.

Choosing the right dictionary depends on______ you want to use it for.