---do the students exercise a week ?---Once or twice.A. How oftenB. How longC. HowD. How m

发布时间：2020-08-22 11:25:06

---    do the students exercise a week ?
---Once or twice.
A. How often
B. How long
C. How
D. How many times

网友回答

A. How often
B. How long
C. How
(答案→)D. How many times
解析： A.多久一次  B.多长   C.怎样   D.多少次。根据答语：一次或者两次。可知选D。
以上问题属网友观点，不代表本站立场，仅供参考！