单项选择题

A．A professor and a student.
B．A hotel manager and a tourist.
C．A salesman and a customer.
D．A store owner and his manager.
<上一题 目录 下一题>
热门 试题

单项选择题
A．To wear jackets to work.B．Not to use air-conditioners.C．To wear shirt sleeves.D．To take all measures to conserve energy.
A．To wear jackets to work.
B．Not to use air-conditioners.
C．To wear shirt sleeves.
D．To take all measures to conserve energy.
单项选择题
A．To transport water to higher place.B．To transport vegetables quickly.C．To bring nutrients to the soil.D．To adjust the soil temperatur
A．To transport water to higher place.
B．To transport vegetables quickly.
C．To bring nutrients to the soil.
D．To adjust the soil temperatur
相关试题