“Aha, you’re a chain smoker!” “Only at home. Nobody _______ that but you.”A．dis

题型：不详难度：来源：

“Aha, you’re a chain smoker!” “Only at home. Nobody _______ that but you.”

A．discovered	B．had discovered
C．discovers	D．is discovering

答案

C。

解析

答句陈述的是客观事实，故用一般现在时态。

举一反三

The telephone _______ three times in the last hour, and each time it ________ for my father.

A．had rang; was	B．has rung; was
C．rang; has been	D．has been ringing; is

题型：不详难度：| 查看答案

The thief tried to break away from the policeman who ______ him, but failed.

A．has held	B．had held
C．was holding	D．would hold

题型：不详难度：| 查看答案

When I arrived at the company, the manager ______, so we had only time for a few words.

A．just went away	B．had gone away
C．was just going away	D．has just gone away

题型：不详难度：| 查看答案

“John took a photograph of you just now.” “Oh, really? I ______.”

A．didn’t know	B．wasn’t knowing
C．don’t know	D．haven’t known

题型：不详难度：| 查看答案

“Mike is not coming to the football game this afternoon.” “It’s a shame! He _______!”

A．promises	B．promised
C．will promise	D．had promised

题型：不详难度：| 查看答案