_____ 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
问题描述:
_____ 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
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).