—Shiyan is trying to build the civilized city(文明城市).—Yes, when we cross the street we must wait ________ the traffic lights turn green.

题型：单选题题类：常考题难易度：普通

湖北省十堰市2017-2018学年八年级上学期英语期末调研考试试卷

—Shiyan is trying to build the civilized city(文明城市).

—Yes, when we cross the street we must wait ________ the traffic lights turn green.

A、until B、as long as C、as soon as D、if

举一反三

—I join the club ________ I want to be a basketball player.

—All right, Mum.

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