问题描述：
用所给首字母填合适单词①We need two good m_____ for our band
②Please come to the S____ Sports Center ③China is one of the oldest c___ in the world ④W___ to school is good execise
②Please come to the S____ Sports Center ③China is one of the oldest c___ in the world ④W___ to school is good execise
问题解答：
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