问题描述：
解析几句英文句子 语法 急
1：I haven't read a book since graduating from hihg school.为什么graduate要用ing?
2：The cook was cutting up the meat in order to make 馄饨 in the kitchen.为什么cut用ing?
3：I want to speak to the person who is responsible for the sale of this of car.这里的who为什么不可以用which
1：I haven't read a book since graduating from hihg school.为什么graduate要用ing?
2：The cook was cutting up the meat in order to make 馄饨 in the kitchen.为什么cut用ing?
3：I want to speak to the person who is responsible for the sale of this of car.这里的who为什么不可以用which
问题解答：
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