[ -They are reading book.A.what are you doing B.What are your gra_英语解答

[ -They are reading book.A.what are you doing B.What are your grandparents doing
选A或B

人气：359 ℃　时间：2019-08-20 23:57:33

解答

[]?
-他们在读书.
A.你在做什么?
B.你的祖父母在做什么?
选B