问题
How often do you surf the Internet—______.
A:Last week
B:Once a week
C:In a week
D:One week
B:Once a week
C:In a week
D:One week
正确答案是：
同类题型
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_____all the numbers Thosenumbers______10,000
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This time I want to do ____________.
I regret _____ you that you fail to pass the exam, so you have to take a make-up examination.