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Question 1查看单题
you it installed have
There is a software update available for my university-issued laptop.
______ ______ ______ ______ yet?
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参考答案：have you installed it
Question 4查看单题
the share the professor slides with the class
You missed the first part of the lecture this morning.
Did ______ ______ ______ ______ ______?
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参考答案：the professor share the slides with the class