题目内容

A.onB.overC.ofD.with

A. on
B. over
C. of
D. with

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A.atB.toC.onD.of

A. at
B. to
C. on
D. of

A.onB.inC.amongD.at

A. on
B. in
C. among
D. at

A.eventB.incidentC.accidentD.happening

A. event
B. incident
C. accident
D. happening

A.timeB.courseC.stageD.progress

A. time
B. course
C. stage
D. progress

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