[单项选择]（　） your help we were successful.
A. According to
B. But for
C. Owing to
D. As for

[单项选择]（　）your help we were successful.
A. According to
B. But for
C. Owing to
D. As for

[单项选择]If we hadn't had your help, we（）the project so easily.
A. would not finish
B. could not have finished
C. can not finish
D. will not finish

[单项选择]Without your help, we ______ so much.

[单项选择]（　）for your help, we'd never have been able to finish the work.
A. Hadn't it been
B. Had it not been
C. It was not
D. If it had been not

[单项选择]______ for your help, we'd never have been able to get over the difficulties.
A. If we had not been
B. Were it not
C. If it were not
D. Had it not been

[单项选择]（）for your help we could not have finished it in time.
A. In spite of
B. Because of
C. As for

[单项选择]Were it not for your help, I（）in trouble now.
A. was
B. were
C. had been
D. would be

[单项选择]Were it not for their support and help, we ______ able to finish the task ahead of time.
A. were not
B. should not have been
C. are not
D. would not be

[填空题]We were really pleased with the (warm)（）of your welcome.

[单项选择]We were glad to learn from your letter of 18th July of your interest in our products. Here are the catalogues and price-list for which you asked. Also you will find details of our conditions of sale and terms of payment.

[单项选择]Passage 2 If we were asked exactly what we were doing a year ago, we should probably have to say that we could not remember. But if we had kept a book and had written in it an account of what we did each day, we should be able to give an answer to the question. It is the same in history. Many things have been forgotten because we do not have any written account of them. Sometimes men did keep a record of the most important happenings in their country, but often it was destroyed by fire or in a war. Sometimes there was never any written record at all because the people of that time and place did not know how to write. For example, we know a good deal about the people who lived in China 4,000 years ago, because they could write and leave written records for those who lived after them. But we know almost nothing about the people who lived even 200 years ago in central Africa, because they had not learned to write. Sometimes, of course, even if the people cannot write, they
A. “Remembered history”, compared with written history, is less reliable.
B. Written records of the past plays a most important role in our learning of the human history.
C. A written account of our daily activities helps us to be able to answer any questions.
D. Where there are no written records, there is no history.

[单项选择]But for their help, we （　）.
A. shouldn't succeed
B. could not have succeeded
C. will not succeed
D. should not have succeeded