The rate of racial progress varies in different areas of the country, but in the
题型：不详难度：来源：
The rate of racial progress varies in different areas of the country, but in the past ten years _________ more improvement.| A．there is | B．it is | C．there have been | D．there has been |
|
答案
| D |
解析
| 考察时态。In the past ten years与现在完成时连用，结合句意可知D正确。句意：在过去十年中，已经有了更多的进步。 |
举一反三
We were told not to touch the equipment in the laboratory unless ________.| A．allowed to do | B．allowing to do | C．allowed to | D．allowing to |
|
Exciting as its special effects are ______, there is too much violence in the film.| A．being watched | B．to be watched | C．watching | D．to watch |
|
-—David has gone to Australia on business.
—Really? I ______ why he was absent from today’s meeting.| A．am wondering | B．wonder | C．was wondering | D．had wondered |
|
The three of us ________ around Europe for about a month last summer.| A．travelled | B．have travelled | C．had travelled | D．travel |
|
He said that his car __________ stolen and he ________ have to telephone the police.| A．was; would | B．has been; will | C．had been; would | D．had been; will |
|
最新试题
热门考点