当前位置:高中试题 > 英语试题 > 一般现在时 > Every possible means _______to prevent the air pollution, but the sky is still n...
题目
题型:不详难度:来源:

Every possible means _______to prevent the air pollution, but the sky is still not clear.
A.are being usedB.have been usedC.has been usedD.had been used

答案
C
解析

核心考点
试题【Every possible means _______to prevent the air pollution, but the sky is still n】;主要考察你对一般现在时等知识点的理解。[详细]
举一反三

I ______ on a sofa because my grandparents have come for the weekend.
A.sleptB.was sleepingC.have sleptD.am sleeping

题型:不详难度:| 查看答案

The child said that he had _____ the pen on the desk, but I thought he ____ to me.
A.laid; liedB.lain; liedC.lied; layD.lain; lay

题型:不详难度:| 查看答案

After he had broken the world record, Rod ____ to a restaurant to celebrate with hid friends.
A.wentB.had goneC.would goD.has gone

题型:不详难度:| 查看答案

— Has Tom finished his homework yet?
— I have no idea, he _____ it this morning.
A.was doing B.didC.had doneD.would do

题型:不详难度:| 查看答案

In the past few months, a discussion ________about whether selecting “Three Goods” Students in elementary and middle schools should be cancelled.
A.has to be heldB.has been heldC.has been holdingD.was held

题型:不详难度:| 查看答案
版权所有 CopyRight © 2012-2019 超级试练试题库 All Rights Reserved.