—How often do you exercise?—＿＿＿A. Two B. Twice C. Second
题型：不详难度：来源：
—How often do you exercise?
—＿＿＿
A. Two B. Twice C. Second |
答案
| B |
解析
| 词义辨析。two二，为基数词；twice两次；second第二，为序数词。根据问句“你多久锻炼一次？”，故选B。 |
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