请教英语考试题,急,
Children have to stay at home when there is a typhoon,_________?(这道题我选的C,正确答案是B,但前半句不是有have吗,为什么不能用它提问)
A don't children B don't they C haven't they D haven't children
Danny does some ________ twice a week(review)这道题的答案是revision 我写的是 reviews为什么错了