问题
选择题
—How often does Bob play tennis?
—_____. [ ]
A. Once a month
B. For a month
C. A month ago
D. A month later
答案
答案：A
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—How often does Bob play tennis?
—_____. [ ]
A. Once a month
B. For a month
C. A month ago
D. A month later
答案：A