John,there is nothing serious with you,________? No,_____. I just fell off my bike.
问题描述:
John,there is nothing serious with you,________? No,_____. I just fell off my bike.
A. is it, it isn'tB.is there;there isn'tC.isn't it,it is.D.isn't there,there is.
快帮忙啊 谢谢拉
答
B