问题
选择题
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
答案：D
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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