74ls02N芯片引脚图:英语题目

来源:百度文库 编辑:查人人中国名人网 时间:2024/05/11 05:41:39
John,go and see who___on the phone .I think it must be Mr Black.
A talk B talks C are talking D is talking

d, 1,正在发生的用ING
2,在一端打电话的只能一个人,用IS

D is talking

D

D

D,应该用进行时!

d