高中英语选择题：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 satA 还是D 呢?是and 连接的两个并列句还是found 的两个动作?怎么看? 英语
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【答案】 At last,we found ourselves in a pleasant park with trees providing shade ,sitting.
或者
At last,we found ourselves in a pleasant park with trees providing shade and sat.
只有在做状语的时候,也就是第一个句子,才用doing形式
and连接的是两个动词,如果and要连接两个句子必须打逗号.