华南师范大学

________ more careful, the mistake would not have been made.A. if he isB. if he had beenC. if he has beenD. if he should be

题目
________ more careful, the mistake would not have been made.

A. if he is

B. if he had been

C. if he has been

D. if he should be

参考答案和解析
参考答案：B
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相似问题和答案

第1题：

Why()the old block of flats()demolished next month?

A、are…being

B、is…being

C、has…been

D、have…been


参考答案：B

第2题：

He is a novice who has never prepared a meal.()

A. interesting

B. layman

C. sin

D. mistake


正确答案：B

第3题：

How long() you() a member of the club?

A.have,,joined

B.have,,been

C.has,,joined

D.has,,been


参考答案：B

第4题：

1．I took your bag_______ mistake．

A．with

B．as

C．by

D．in


正确答案：C
．c【解析】by mistake意为“错误地，由于出差错”，常在句中作状语。

第5题：

My gyrocompass______is two degrees east．

A.trouble

B.error

C.wrong

D.Mistake


正确答案：B
点罗经的误差是东2度。

第6题：

What a waste! Why do you () the water () all the time ?

A、have…flowing

B、have…flow

C、have…to flow

D、have…flowed


参考答案：A

第7题：

When you drive home, you can’t be ______ careful.

A too

B very

C so

D only


参考答案A

第8题：

Where ________ you ________?

A.are/be

B.have/be

C.is/be

D.have/been


正确答案：D

第9题：

To persuade people , you must be able to find out

a ( ) for them to do it.

A. method

B. reason

C. mistake


参考答案：B

第10题：

The book took ten years of thorough research.

A:basic
B:social
C:major
D:careful

答案：D
解析：
本句意思：这本书需要十年十分仔细的研究。thorou沙意思为“（人）十分仔细”,careful 意为“仔细的，认真的”，两词的意思相同。

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