问题描述：
He tries to work out this problem,but he can’t.同义句转换!
改成He (一空)to work the problem out.
还有一句!The biggest shop is nearby.改成The biggest shop is(三空)
改成He (一空)to work the problem out.
还有一句!The biggest shop is nearby.改成The biggest shop is(三空)
问题解答：
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