who's singing over there?______is Sandy's sister.A That B It C She D This 应该选哪个?

问题描述:

who's singing over there?______is Sandy's sister.A That B It C She D This 应该选哪个?

BA .Who's is flying a kite over there? B.____ A,It's Lucy B. Lucy为什么选B只能选B 因为你不知道对方是谁 只能用it代指比如你敲门 对方问你是谁 这个时候你也得说its me