—I bought this shirt for 35 yuan yesterday. —It’s on sale today for only 29. You

题型：不详难度：来源：

—I bought this shirt for 35 yuan yesterday.
—It’s on sale today for only 29. You should have waited.
—Oh, really? But how ________ I know?

A．would

B．can

C．did

D．do

答案

解析

因为意思是“我当时 (昨天) 怎么知道呢？”。

举一反三

As time ________ on, Sally began to wonder if Bruce ________ Bilks’new poem called Tabled’Hute.

A．has gone; had read

B．went; has read

C．goes; has read

D．went; had read

题型：不详难度：| 查看答案

I wonder why Jenny ________ us recently. We should have heard from her by now.

A．hasn’t written

B．doesn’t write

C．won’t write

D．hadn’t written

题型：不详难度：| 查看答案

—Mike, do you know who wanted me on the phone?
—Sorry. I don’t know. I ________ a bath in the bathroom.

A．have had

B．was having

C．had

D．am having

题型：不详难度：| 查看答案

He kept looking at her, wondering whether he ________ her somewhere.

A．saw

B．has seen

C．sees

D．had seen

题型：不详难度：| 查看答案

At the time of the earthquake Jeff was still in his office. He ________ to finish a project before he left for the day.

A．has tried

B．had tried

C．has been trying

D．had been trying

题型：不详难度：| 查看答案