31．-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
30．-It won’t be long before black people in South Africa the racist government of the country .
A．overcome B．win C．strike D．control
29．Professor Smith has written some short stories , but he is known for his plays .
A．better ycy B．more C．best D．most
28． that there is no opposition , I will report it to the general manager .
A．To provide B．Be provided C．Having provided D．Providing
27．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
26．-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
25．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
24．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
23．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
22．-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