问题

On Sundays there were a lot of children playing in the park, _______ parents sat together joking.
A:their
B:whose
C:which
D:that
B:whose
C:which
D:that
正确答案是:
同类题型
You needn’t take an umbrella. It isn’t going to rain.—-Well, I don’t know. It_____do.
We drove a long way to see him,only________that he had just left for the south.[ ]
s said ________ abroad, but I don’t know whatcountry he studied in.
I was about to leave_______ something happened, which attracted my attention