The weather is bad. You shouldn’t risk _______ mountains.
A.to climb B.for climb
C.for climbing D.climbing
------Have you read the______ of the country you are going to?
------Yes. Now I know it’s a country famous for natural beauty.
A.introduction B.instruction
C.interview D.conclusion
The old men and the children must in our country .
A. take good care B. be taken good care
C. take good care of D. be taken good care of
Paper first invented in China .
A. is B. are C. was D. were
— It’s time to do your homework , Jack .
— Yes , Mum . I’ll turn off the TV as soon as the programme .
A. ends B. end
C. will be ended D. will end
-------Did the doctors save the old man？
------- Yes. He _______ on the morning of May 10th. And now he is out of danger.
A. was operated B. operated
C. operated on D. was operated on
