1 . _____ you have any further questions, please contact us at the address above.

A．Would

B．Should

C．Could

D．Will

2 . Studies show that historical barriers on women acceptance in organizational environments, the development of the company would already be way ahead.

A．were it not for	B．if there being no
C．hadn't it been for	D．if it is not for

3 . -I can't believe it． Tom failed the test again!
-He would not be so upset now your advice．

A．would he follow	B．should he follow
C．did he follow	D．had he followed

4 . —What a pity! You missed my birthday party.
—Terribly sorry!___________my uncle not visited me unexpectedly.

A．Should	B．Would
C．Had	D．Did

5 . You can download it and rewrite your report using your own words you acknowledge where you got your information by attaching a list of websites you got your information from.

A．should	B．may
C．would	D．could

6 . __________the AI robots __________earlier, the production efficiency would have been improved.

A．Were; invented	B．Had; been invented
C．Had; invented	D．Have; been invented

7 .        house property tax come into effect, China might witness a fall in house prices.

A．Would	B．Should
C．Could	D．Might

8 . ________ thirty minutes earlier, you would have seen the beautiful rosy dawn.

A．If you got up	B．Had you got up
C．Were you to get up	D．If you should get up

9 . ________ for his timely help, I wouldn’t have been able to make it through the economic squeeze.

A．Were it not	B．Would it not be
C．Had it not been	D．Should it not be

10 . ________ you make a mistake, you should not be embarrassed. After all, we are human beings.

A．Should

B．Would

C．Had

D．Were