－Why not go to see the dolphin show with me?－Because I _______ it.A．sawB．will se

题型：不详难度：来源：

－Why not go to see the dolphin show with me?
－Because I _______ it.

A．saw

B．will see

C．see

D．have seen

答案

解析

考查时态：句意：--你为什么不和我去看海豚表演？--因为我已经看过了。根据题意可知“我”为什么不去看海豚就是因为我已看过，动作已经完成，用现在完成时，故选D.

举一反三

－______ he______ at this school last term?
－Yes, I think so.

A．Did, study	B．Has, studied
C．Was, study	D．Did, studied

题型：不详难度：| 查看答案

While Suzy ______ on the sofa, the phone rang.

A．was sleeping

B．slept

C．sleeps

D．is sleeping

题型：不详难度：| 查看答案

—Do you __________ an American friend?
—No, I don’t. But my sister __________ one.

A．has, has

B．has, have

C．have, have

D．have, has

题型：不详难度：| 查看答案

——Why is the classroom so dirty?
——Sorry, Sir. It _____ yesterday. We forgot to do it.

A．doesn"t clean

B．didn"t clean

C．isn"t cleaned

D．wasn"t cleaned

题型：不详难度：| 查看答案

Mr. and Mrs. Black ______ back _________.

A．hasn’t come, yet

B．haven’t come , yet

C．haven’t come， already

D．hasn’t come , already

题型：不详难度：| 查看答案