单项选择题

A．Air.
B．Medicine.
C．Food.
D．Water.
<上一题 目录 下一题>
热门 试题

单项选择题
A．She has been working a lot recently.B．She has been taking care of her sick mother.C．She has been taking two night classes.D．She has been looking for a new job.
A．She has been working a lot recently.
B．She has been taking care of her sick mother.
C．She has been taking two night classes.
D．She has been looking for a new job.
单项选择题
A．Graduate students.B．Undergraduate students.C．Professors.D．Library employees.
A．Graduate students.
B．Undergraduate students.
C．Professors.
D．Library employees.
相关试题