He had problems breathing.同义句转换：He had___ ___ breathing.
问题描述：
He had problems breathing.同义句转换：He had___ ___ breathing.
What should you do?同义句转换：What____ ___ ___ ___ do?
His water ran out.同义句转换：He___ ___ ___ his water.
答
trouble in
are you supposed to
ran out of
望采纳,谢谢