单项选择题


Questions 23 to 25 are based on the conversation you have just heard.

A．He needs to press F-7 to return to the document before he prints it.
B．He has to print the document to see the page numbers.
C．The printer is not working correctly.
D．The numbers are on the screen but they don’t print out.
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单项选择题
A．From the parents of the students.B．From the donation of the society.C．From the contributions of influential people.D．From the government.
A．From the parents of the students.
B．From the donation of" the society.
C．From the contributions of influential people.
D．From the government.
单项选择题
A．To save 3 dollars.B．To buy it at once.C．To ask 3 dollars from the parent.D．To save 5 dollars.
A．To save 3 dollars.
B．To buy it at once.
C．To ask 3 dollars from the parent.
D．To save 5 dollars.
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