单项选择题
18()
A.tells
B.teaches
C.tests
D.questions
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相关考题
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单项选择题
16()
A.copies
B.collects
C.reads
D. knows -
单项选择题
17()
A.keep off
B.ask for
C.depend on
D.try on -
单项选择题
Mack is very busy; he is a full-time student, while______ a part-time job.
A.to hold
B.being held
C.held
D.holding
