－Do you still have the receipt, madam?

－No, I’m afraid I’ve ________．

A．torn it off

B．torn it down

C．torn it up

D．torn it away

－It won’t be long before black people in South Africa ________ the racist government of the country．

－No, I’m afraid I’ve ________．

A．overcome

B．win

C．strike

D．control

Professor Smith has written some short stories, but he is ________ known for his plays．

A．better

B．more

C．best

D．most

________ that there is no opposition, I will report it to the general manager．

A．To provide

B．Be provided

C．Having provided

D．Providing

There is a new problem ________ in the popularity of private cars ________ road conditions need to be improved．

A．involving; that

B．involved; that

C．involved; where

D．involving; which

－How much vinegar did you put in the soup?

－I’m sorry to say, ________．I forgot．

A．no

B．no one

C．nothing

D．none

Many girl students in the village have dropped out of school in China, ________ the government is always taking measures to offer the chances of being educated．

A．in spite of that

B．because of which

C．on account which

D．in addition to that

If human beings had been a bit less greedy and cruel, more birds and animals ________ dying out．

A．ought to avoid

B．could have been avoided

C．should have avoided

D．might have avoided

It’s reported that by the end of this year the output of cars of the factory ________ by about 20%

A．will have risen

B．will be raised

C．will rise

D．will have been risen

－Mum, can I go out to play football with Jessica?

－No, you can’t ________ your homework is being done．

A．before

B．until

C．when

D．as