问题 选择题

At last, we found ourselves at the foot of a hill 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

答案:D 考查对动词形式的理解。sit与found是并列谓语。

单项选择题
单项选择题