The crankcase can not be opened （）the parts have been cooled down.
There have been（）medicine in the last 50 years.
The last few weeks have been enjoyable
It might have been （） who made the bid.
The last?few?weeks have been enjoyable.
To understand a word, you have to read all the letters in it; to understand a sentence you have to read all the words in it.（）
I'd been expecting（）letters the whole day, but there aren't（）for me.
Some of the citizens have been（）medals for bravery.
How many pits have been unearthed in the Terracotta Army?
The fuel must have been finished,_____the engine stopped.
We have the pleasure of ________ receipt of your letter of Oct. 6.
Find out the incorrect parts and put the corresponding letter after the statement.In the past 3 years, great changes have been taken place in my hometown. For example, loads of buildings have been torn away and rebuilt.
“I should have been a King if I was back to the old days.”一句中，should have been 应该重读。
You have to condemn yourself severely and describe your error vividly in the letter.
All the tickets ______ out when we arrived.A. had sold B. have been soldC. have sold D. had been sold
Wren realized that the Great Fire would not have been so 4 if the city had been better laid out.
Suggestions have been raised on the issue of INS except
The Grand Banks have been called the "wheat fields" of Newfoundland.（)
I have to delay______the letter.
If you have really been studying English for so long, it's about time you______able to write letters in English.
听力原文： Seven members of an extreme right-wing terrorist group involved in a plot send letter bombs to addresses in London were arrested following a series of raids by armed police in Denmark. A Danish police officer was shot and wounded during one of the raids. The targets in London are understood to have been two right-wing activities and a journalist. Three letter bombs, disguised as videotapes, believed to have been made in Denmark, were also intercepted in Sweden. Six men and a women, all aged between 20 an 22, were arrested.
The traffic accident might have been caused by（).
Decide whether the following statements chosen from correspondences are communicating: Thanks for your letter. It has been long time that I did not receive your letter. I was glad to read your letter.
（) that he wasn't able to come,I wouldn't have sent him the invitation letter.
