问题描述:
In recent years,many football clubs_________as business to make a profit.
A.have run B.run C.had been run D.will run
为什么选b,如何理解,为何不用现完
A.have run B.run C.had been run D.will run
为什么选b,如何理解,为何不用现完
问题解答:
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