急,A ___ boy lost his way and we saw him __ in the streetA.fi
急, A ___ boy lost his way and we saw him __ in the street A.five years old;cried B.five years old;crying C.five-yaer-old;crying D.five-year-old;cried 答案选的是B,为什么此处不能用了;连字符,为什么第二空要用过去时 我说错了,sorry。