题目内容
完成句子
他不断吹气球,直到吹爆为止。
He blew the balloon until ________ ________.
用现在分词完成句子
他出去后将门随手关上.
He went out ________.
他母亲坚持要他学医,不学法律。
His mother ________ ________ ________ medicine instead of law.
他患重感冒,很长时间才康复。
It took him a long time for him ________ ________ ________ a bad cold.