孩子们坐在地毯上听故事。

The children ___sit on the carpet listening to a story.

她作为关键成员在委员会任职。

She ___sits on the committee as a key member.

孩子们在公园里一动不动地坐着拍照。

The children ___sat still in the park for the picture.

那封重要的信在抽屉里放了几个月没人理会。

The important letter has been ___sitting in the drawer for months unnoticed.