— Tom says he is too tired to go on.— He can't. He ________ for an hour.

题型：单选题题类：常考题难易度：普通

2016届广东广州执信中学高三上学期期中英语试卷

— Tom says he is too tired to go on.

— He can't. He ________ for an hour.

A、had worked B、has just worked C、just worked D、has only been working

举一反三

—I ______many websites about aliens.

—The new Star Wars. We here for more than two hours.

—She has a terrible headache because she {#blank#}1{#/blank#} (work) too long. She should stop to have a good rest.

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