A. It is first offered as part of the edX learning prog-找考题网

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A. It is first offered as part of the edX learning programme.
B. It is another free MIT-Harvard online learning programme.
C. It is a standard to recognise online learners’ achievement.
D. It is a new kind of free online course of Harvard and MIT.

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A. She is tired of her present job. B. Her phone number has changed. C. She doesn’t have a fax machine. D. She may quit her present job soon.

A. She is tired of her present job.
B. Her phone number has changed.
C. She doesn’t have a fax machine.
D. She may quit her present job soon.

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