试题 试卷
题型：单选题 题类：真题 难易度：普通
-- I'm not sure. I ______ go to the countryside to see my grandmother.
— It ________ be him, for he ________ Australia since last Thursday and hasn't returned.
—That's true! Almost everything ______ be done online.
— No, she ___________ be there. I have just been there.
—He's sleeping. He ________ be very tired after working for twenty hours.
—Yes, you .
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