who is that和who is it假如：A：There is someone knocking at the door.W_英语解答

who is that和who is it
假如：A：There is someone knocking at the door.Who is that/it?用哪个?
B：That/it may be John用哪个?

人气：387 ℃　时间：2020-01-26 13:48:49

解答

这种时候一般用it 并不是说that 就不能用,要强调就用that.