单项选择题

Don’t speak unless you

A. ask to
B. are asked to
C. asked
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单项选择题
What was the man doing in the garden yesterday afternoon
A. Repairing a bike.
B. Watering flowers.
C. Pulling up weeds.
单项选择题
--Would you like a bottle of mineral water-- ______.
[A] Yes, I will
B. No, please
C. No, thanks
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