题目内容

用 I have done 或I have been doing 填空。 Tom started reading a book two hours ago. He is still reading it and he is on page 53. He ___________ (read)53 pages so far.

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用 I have done 或I have been doing 填空。 It's raining. It started raining at lunchtime. It ___________ (rain) since lunchtime.

用 I have done 或I have been doing 填空。 Ann and Jess are friends. They first met years ago. They ________ (know) each other for years.

用 I have done 或I have been doing 填空。 I'm working in a hotel. I started six months ago. I _________ (work) there for six months.

用 I have done 或I have been doing 填空。 A:Do you see Ann very often? B: No,I _______ (not/see) her for three months.

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