单项选择题


Questions 22～25 are based on the following dialogue.
How many times has Christina tried to give up smoking

A．Thirty times.
B．Five times.
C．Lots of times.
D．Twice.
<上一题 目录 下一题>
热门 试题

单项选择题
A．mostB．bestC．leastD．once
A．most
B．best
C．least
D．once
单项选择题
A good gardener trims a tree______.
A．at intervals throughout the year
B．as quickly as possible
C．occasionally when necessary
D．regularly every winter
相关试题