题目内容
For theme parks, ______ is the key to _____ visitors, which contributes to the success of running them.
A. the variety; attracting B. A variety; attract
C. Variety; attracting; D. Variety; to attract
C
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题目内容
For theme parks, ______ is the key to _____ visitors, which contributes to the success of running them.
A. the variety; attracting B. A variety; attract
C. Variety; attracting; D. Variety; to attract
C