问题
选择题
On Sundays, there were lots of children in the park, ________parents sitting together joking.
A．their
B．whose
C．which
D．that
答案
答案：A
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On Sundays, there were lots of children in the park, ________parents sitting together joking.
A．their
B．whose
C．which
D．that
答案：A
