The students in this school have P.E class once____twice a week.A and B or C so D but
人气：388 ℃ 时间：2019-12-14 20:54:59
解答
答案为B,新目标英语八年级上册第一单元的内容,twice a week,表示一个星期两次,在表达不确定的次数时中间用or连用,three or four times 表示三到四次,一样的道理
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