月琴的结构。:An old man is walking _____(马路边)

An old man is walking _____(马路边) Mr.White is _old.he is _old man.(an an,/ an,an /) 介词填空：Is there an old woman ( )the river The old man is very healthy.同意句是什么啊??? The people who said___were thinking of an old man .Ait Bwhat Cthat Dwhich He is __,and he has__sister.A.ten years old,an eight-year-old B.ten-year-old,eight year old He is an old friend of us. 这句话又没有问题？请解释原因？ the old man is sitting in a chair,-----pipe in ----mouth. The old man is going very ____(slow)填什么啊 The old man can't see anything .He is ____.