单项选择题

A．survive
B．surviving
C．survives
D．survived
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单项选择题
What will the college students do for the high school students
A．Employ them as lab assistants.
B．Teach classes at their high school.
C．Help them with their studies.
D．Pay them for participating in the study.
单项选择题
A．continueB．continuityC．continuousD．continued
A．continue
B．continuity
C．continuous
D．continued
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