戳我的头像，自己拿资源哦~

How often does your friend watch TV ? ( 划线是；twice a week

How often does he watch TV?

cheng watches TV twice a week. 一个肯定句改为一般疑问句方法有两种 1..有东西直接往前提如be动词 2.要不就在句首加东西本句子中watch为实义动词，不能提至句首，cheng又为单三所以用助动词does改为Does Cheng watch TV twice a week？watch还原

l watch TV twice a week 我一周看两次电视。 twice 英 [twaɪs] 美 [twaɪs] adv. 两次; 两倍; 两遍

How many times do you watch TV in a week?

B How often问的是频率，所以用Once a day回答，如果问how many times则选A，