单项选择题
Conversation 1 Questions 6 to 7 are bused on the conversation you’ve just heard.
A．Because they were red. B．Because they were worn out. C．Because they were new. D．Because they were out of style.
A．The man found it easy to give up smoking. B．The woman believed that the man could give up smoking. C．The man couldn’t give up smoking. D．The man wanted to convince the woman that he could give up smoking.
A. mostly they B. most of them C. most of which D. which most