By the year 2020 scientists _____ a lot of research on AIDS.A．had doneB．doC．are - 高中英语试题 - 超级试练试题库

题目

题型：不详难度：来源：

By the year 2020 scientists _____ a lot of research on AIDS.

A．had done

B．do

C．are doing

D．will have done

答案

解析

略

核心考点

试题【By the year 2020 scientists _____ a lot of research on AIDS.A．had doneB．doC．are 】；主要考察你对一般现在时等知识点的理解。[详细]

举一反三

This time next week, we _______ a meeting in Beijing.

A．will have

B．are going to have

C．will be having

D．are having

题型：不详难度：| 查看答案

We ________ you ever since you sent us the fax informing us of your date of arrival.

A．expected

B．were expecting

C．are expecting

D．have been expecting

题型：不详难度：| 查看答案

How close parents are to the children _________ a strong influence on their character.

A．to have

B．having

C．have

D．has

题型：不详难度：| 查看答案

Mr. Black _____________ Shanghai in a few days. Do you know when the earliest plane __________ on Sunday?

A．is leaving, takes off	B．leaves, takes off
C．is leaving, is taking off	D．leaves, is taking off

题型：不详难度：| 查看答案

---Please tell me what really happened.
---Oh, I _________, and I hit a parked car.

A．wouldn’t pay attention	B．didn’t pay attention
C．haven’t paid attention	D．wasn’t paying attention

题型：不详难度：| 查看答案

最新试题

热门考点