967. I saw Jane and her boyfriend in the park at eight yesterday evening.
Impossible. She _____ TV with me in my home then.

A.watched

B.had watched

C.would watch

D.was watching

968.Have you handed in your schoolwork yet?
Yes,I have.I guess it _________ now.

A.has graded

B.is graded

C.is being graded

D.is grading

967.答案是D;

此处时间状语then指at eight yesterday evening。表示过去某一时间点正在进行的动作，故用过去进行时。

968.答案是C;

由now得知作业正在被打分（评阅），故选C。