—Did you return Fred’s call?
—I didn’t need to ____ I’ll see him tomorrow.
A.though B.unless C.when D.because
Many children， ______ parents are away working in big cities，are taken good care of in the village.
A.their B.whose C.of them D.with whom
____ parents say and do has a life-long effect on their children.
A.That B.Which C.What D.As
—She looks very happy. She ______ have passed the exam.
—I guess so. It’s not difficult after all.
A.should B.could C.must D.might
____ he had not hurt his leg, John would have won the race.
A.If B.Since C.Though D.When
—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
