单项选择题

A．It is a thank-you letter to a medical doctor.
B．It is an advertisement for vitamin B12.
C．It is a letter to the editor of a magazine.
D．It is a preface to a book on vitamins.
<上一题 目录 下一题>
热门 试题

单项选择题
A．A crystal punch bowl.B．A crystal glass.C．A crystal cup.D．A small crystal statue.
A．A crystal punch bowl.
B．A crystal glass.
C．A crystal cup.
D．A small crystal statue.
单项选择题
A．5 minutes.B．25 minutes.C．30 minutes.D．35 minutes.
A．5 minutes.
B．25 minutes.
C．30 minutes.
D．35 minutes.
相关试题