38. I don’t know how _______ he exercises; maybe two times a week, I guess.
(A) many
(B) often
(C) long
(D) usual

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統計： A(7), B(455), C(25), D(4), E(0) #1719832

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.38. I don’t know ho...
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I don’t know how often he exercises; maybe two times a week, I guess.n

我不知道他做運動的頻率 我猜也許是一星期兩次 how many  + 可屬名詞 : 問數量 how oftenn: 問頻率 (多久一次) how long: 問時間長短 



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