问题描述：
(They) want to join the School Sports Center.对括号部分提问
___ ___to join the School Sports Center
(The watch) is on the bed 对括号部分提问
___ ___ on the bed?
___ ___to join the School Sports Center
(The watch) is on the bed 对括号部分提问
___ ___ on the bed?
问题解答：
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