题目内容
At last, we found ourselves in a pleasant park with trees providing shade and ________ down to eat our picnic lunch.
[ ]
A.sitting
B.having sat
C.to sit
D.sat
答案:D
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题目内容
At last, we found ourselves in a pleasant park with trees providing shade and ________ down to eat our picnic lunch.
A.sitting
B.having sat
C.to sit
D.sat