1 . ________, I think, and the problems could be settled.

A．If you double your efforts

B．So long as you keep up your spirits

C．Making greater efforts

D．A bit more efforts

2 . The shocking news made me realize_______ terrible problems we would face.

A．what

B．if

C．how

D．that

3 . --- Mrs Wellson doesn’t believe that Tom is unable to pass the exam, ________?
---That’s where I disagree.

A．doesn’t she	B．does she
C．is he	D．isn’t he

4 . --The Belt and the Road policy advocated by China will pay off.
--You can say that again! I’m sure it is simply a matter of time,____?

A．am not I	B．aren’t I
C．isn’t it	D．is it

5 . Written in a hurry, ____________. How can it be satisfactory?

A．they found many mistakes in the report	B．Sam made lots of mistakes in the report
C．there are many mistakes in the report	D．the report is full of mistakes

6 . I told them not everybody could run as fast as you did, ________?

A．didn’t I	B．could be
C．didn’t you	D．could they

7 . The employee might have been dismissed by the employer last month,______ ?

A．hasn't he	B．didn't he
C．wasn't he	D．mightn't he

8 . _________ many times, but Mary didn’t know how to use the computer.

A．Having been taught	B．Having taught
C．She was taught	D．Though she was taught

9 . Ten minutes earlier________we could have avoided missing the early bus.

A．or

B．but

C．and

D．so

10 . _______your savings so fast,or you'll end up as a beggar.

A．Stop to spend	B．To stop to spend
C．Stop spending	D．Stopping spending