题目内容
In the competition, all the competitors have to_______ all the items before the time_____according to the rules.
A. use up; runs out of B. use up; runs out
C. run out; runs out D.run out of; use up
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题目内容
In the competition, all the competitors have to_______ all the items before the time_____according to the rules.
A. use up; runs out of B. use up; runs out
C. run out; runs out D.run out of; use up