Various efforts over the centuries _________ to predict earthquakes to reduce t
题型：不详难度：来源：
Various efforts over the centuries _________ to predict earthquakes to reduce the damage. | A．are being made | B．have been made | C．were made | D．were being made |
|
答案
| B |
解析
试题分析：句意：几个世纪以来，已经做了各种努力来预测地震，减少损失。make efforts 做出努力，变被动形式。故选B。
考点: 考查动词时态和语态的用法。 |
举一反三
— You were late again, Peter.
—Sorry, I ______ to be here on time, but the traffic on the roads _____ heavy.| A．wanted; was | B．had wanted; was | | C．wanted; would have been | D．had wanted; would have been |
|
When you reach our company at 5:00 pm, I _______ there to discuss a problem with you. | A．wait | B．have waited | C．was waiting | D．will be waiting |
|
He deserves to gain a high score in the coming exam, as he _________ preparations for it.| A．is making | B．will be making | C．made | D．has been making |
|
——How are you getting on with the work?
——So far it _____ easy but things may change.| A．has been | B．is | C．was | D．would be |
|
The first decade of the 21st century _____ the breathtaking and non-stop development of China. | A．witnesses | B．witnessed | C．will witness | D．had witnessed |
|
最新试题
热门考点