– ________ do you exercise?– I used to exercise every day, but now I exercise twice a week.

题型：单选题题类：模拟题难易度：普通

– ________ do you exercise?
– I used to exercise every day, but now I exercise twice a week.

A、How often B、How soon C、How long

举一反三

— It takes 20 minutes .

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— For a month. I am learning to take beautiful photos with it.

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