-How often __ you exercise?A.is B.are C.do

问题描述:

-How often __ you exercise?A.is B.are C.do
-How often __ you exercise?A.is B.are C.do D.does

答案选c,因为后面exercise是动词.语句问的是一般现在时.第二人称,所以排除d 和A.often 表示的是一般现在时,所以不能用be 动词.而用do.回答:I do exercise 3 times a day.