问题

I don’t know ______ watch this is. Do you know? ——It might be Gao Lei’s.

A:who
B:whom
C:who’s
D:whose

正确答案是：

同类题型

Is this the watch you wish to _____?

. A: Whose shirt is this? Is it Tom’s? B: No, it isn’t. ______________ is white.

Clean-Up Day is coming. How do we let more people know it?—We could ____ advertisements after school.

What’s the advantage of shopping online?—I think buyers spend a lot of time going to shops.

At what time do you think________?