---- Flight 551 for Dallas ________. I must be off now. ------Have a pleasant tr

题型：不详难度：来源：

---- Flight 551 for Dallas ________. I must be off now.
------Have a pleasant trip then.

A．is being announced

B．has announced

C．was announcing

D．had been announced

答案

解析

考查时态及语态。句意：飞往戴勒斯的551航班正在被播放呢，我现在必须要走了。祝旅途愉快。正在被播放的动作应用现在进行时的被动语态。所以选A。

举一反三

The Internet connection for the entire area _________ when there was a sudden power cut yesterday.

A．lost

B．was lost

C．had lost

D．had been lost

题型：不详难度：| 查看答案

-----I wonder if you could go with me to the supermarket.
------- Don’t disturb me. I _____________my experiment report all the morning and haven’t finished yet.

A．write

B．was writing

C．have written

D．have been writting

题型：不详难度：| 查看答案

I was just to cut my rose bushes but someone ________ it. Was it you?

A．has done

B．had done

C．would do

D．will do

题型：不详难度：| 查看答案

—Haven"t I told you that you should be home earlier?
—Yes, but I________home earlier than I usually do.

A．was coming

B．will come

C．came

D．had come ．

题型：不详难度：| 查看答案

—An ant has two stomachs—one for itself, one for others.
—Really? Quite interesting. I ________ anything about it.

A．don"t know

B．have known

C．haven"t known

D．didn"t know

题型：不详难度：| 查看答案