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【单选题】
Participants at the conference should register a month early.
A.
people who attend
B.
presenters
C.
salespeople
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】We will convene again at 10 o'clock tomorrow.
A.
finish work
B.
meet together
C.
report
【单选题】My bike is making a funny noise. I'm going to tinker with it a little bit and see if I can figure it out.
A.
replace
B.
take it apart
C.
try to repair