By the time you get there tomorrow,they ______ for Beijing.A、will have leftB、ar

游客2023-10-05  24

问题 By the time you get there tomorrow,they ______ for Beijing.

选项 A、will have left
B、are leaving
C、will leave
D、are to leave

答案 A

解析 该题考查动词时态,考点是对时间短语的理解。根据前半句中的"by the time"和"tomorrow"可知此句表示动作在将来的某一时刻之前完成。因此,需用将来完成时:will have left。若选B ,则表示正在进行的动作,若选C 或D ,则仅表示将来的动作。
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