_____ do you water the flowers?I water it once a day.A.howB.how l_英语解答

_____ do you water the flowers?I water it once a day.A.howB.how long C.how often.选择哪个吖,为什么

人气：440 ℃　时间：2019-09-23 09:04:42

解答

正确：C （How often表示“多久一次“询问频率/频度；由末尾的once a day每天一次得知,询问的是频率/频度）.