单项选择题


Questions 19 to 21 are based on the conversation you have just heard.

A．9 each year.
B．24 each year.
C．12 each semester.
D．9 each semester.
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单项选择题
A．At this moment.B．After he selects courses.C．At the end of the first year.D．At the end of the first semester.
A．At this moment.
B．After he selects courses.
C．At the end of the first year.
D．At the end of the first semester.
单项选择题
A．She will go to work by bike.B．She will take a bus to the office.C．She will get to work by taxi.D．She will walk to the office.
A．She will go to work by bike.
B．She will take a bus to the office.
C．She will get to work by taxi.
D．She will walk to the office.
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