- 二一组卷

题型：单选题题类：常考题难易度：普通

黑龙江省哈尔滨师范大学附属中学2018-2019学年高二下学期英语开学考试卷

I won't tell the student the answer to the math problem until he______ on it for more than an hour.

A、has been working B、will have worked C、will have been working D、had worked

举一反三

—She _____ a job from city to city—you see, she is graduating in June.

—I think so. He _____ for it months.

—I {#blank#}1{#/blank#} (paint) the house all the morning and it's a pity that I have to keep on until it is finished.

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