“______ do you exercise?” Three times a week.”A．How longB．How oftenC．How farD．Ho
题型：不详难度：来源：
“______ do you exercise?” Three times a week.”| A．How long | B．How often | C．How far | D．How many |
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答案
| B |
解析
试题分析：How long“多长时间”， How far“多远”，How many“多少”，How often询问频率，表示“多久一次”。 根据下文，一周三次。可知上文提问的是多久一次（频率），故选B，你多久锻炼一次？ |
举一反三
| Most students watch TV three ____ four times a week. |
“______ did it start?” “About two days ago. ”| A．How long | B．How often | C．How much | D．When |
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| – Can you come to my birthday party? – I’m sorry, ______ I can’t come. |
| “Would you like to come to dinner tonight?” “I’d love to, ___I’m busy.” |
| “_____are you going?” “I’m going to the library.” |
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