单项选择题

—Sorry, do you mind if I smoke here
—Yes,（）.

A. you could
B. go ahead
C. I do
D. my pleasure

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单项选择题
The new library building （）last week.

A. was completed
B. is completed
C. completed
D. has completed
单项选择题
—It's really hot today. What drinks do we have in the fridge —We have some（）.

A. noodle
B. cheese
C. sausages
D. lemonade
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