_________ his friend when they met on the street made his friend very upset.A．T

题型：不详难度：来源：

_________ his friend when they met on the street made his friend very upset.

A．Tom didn’t greet	B．Tom’s not greeting
C．Tom not greeting	D．Not Tom greeting

答案

B

解析

试题分析：通过分析句子结构，可知这个句子中包含一个由when引导的时间状语从句，空格处作句子主语，故用动名词，动名词的否定式在其前加not，故选 B 。
点评：动名词由动词 + ing构成，否定形式为not doing，具有动词和名词的性质，在句中起名词作用，可作主语、宾语、表语和定语。