At the meeting the boss was explaining his plan while his secretary_________ the

题型：不详难度：来源：

At the meeting the boss was explaining his plan while his secretary_________ the notes.

A．is taking

B．was taking

C．has taken

D．takes

答案

解析

试题分析：句意：在会上这位老板正在解释他的计划这是他的秘书正在做笔记，while引导的时间状语从句主从句的时态同时进行，结合语境故选B

举一反三

If the kids stay indoors all the time and get no exercise, they _________ weak.

A．become

B．have become

C．will become

D．became

题型：不详难度：| 查看答案

People _________ rivers for transportation since the beginning of history.

A．used

B．have used

C．use

D．had used

题型：不详难度：| 查看答案

---Mum, it’s late. Why are you still here?
---Dad hasn’t come back yet. I _____ for him.

A．am waiting	B．have waited
C．was waiting	D．waited

题型：不详难度：| 查看答案

---Why didn’t you go shopping with me two hours ago?
---Because my mother________ me outside.

A．waited for	B．is waiting for
C．was waiting for	D．has waited for

题型：不详难度：| 查看答案

It’s said that this kind of milk ________ well this year. It will be sold out soon.

A．is sold

B．was sold

C．sells

D．sold

题型：不详难度：| 查看答案