题目内容
【题目】琳达每天放学后必须练习弹钢琴。
Linda must_________ _________ _________ _________after school every day.
【答案】practice playing the piano
【解析】
练习：practice doing sth.，情态动词后用动词原形；弹钢琴：play the piano。故答案为practice playing the piano。
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题目内容
【题目】琳达每天放学后必须练习弹钢琴。
Linda must_________ _________ _________ _________after school every day.
【答案】practice playing the piano
【解析】
练习：practice doing sth.，情态动词后用动词原形；弹钢琴：play the piano。故答案为practice playing the piano。