--Has Peter handed in his paper yet?---I’m not sure. He _______ on it last week.

题型：不详难度：来源：

--Has Peter handed in his paper yet?
---I’m not sure. He _______ on it last week.

A．was working

B．has worked

C．worked

D．had worked

答案

解析

略

举一反三

— Hey! Everyone in the office was at the dinner party in honor of Mr. Charles except you. What happened?
— I ______ after Mike, my colleague. He was badly ill.

A．have looked

B．was looking

C．would look

D．had looked

题型：不详难度：| 查看答案

According to the art dealer, the painting _______ to go for at least a million dollars.

A．is expected

B．expects

C．expected

D．is expecting

题型：不详难度：| 查看答案

The policeman’s attention was suddenly caught by a small box which _____ placed under the Minister’s car.

A．has been

B．had been

C．was being

D．would be

题型：不详难度：| 查看答案

It is the only time in history that two Nobel Prizes to the same person.

A．have been given	B．had been given
C．have given	D．will give

题型：不详难度：| 查看答案

These interesting articles were written by Anna, who for our magazine these years.

A．wrote	B．would write
C．is writing	D．has been writing

题型：不详难度：| 查看答案