单项选择题

Questions 22 to 25 are based on the passage you have just heard.

A. When the students have done good work.
B. After the first laboratory session.
C. At the beginning of the semester.
D. When the students need to be motivated.
<上一题 目录 下一题>
热门 试题

单项选择题
B
单项选择题
A. Eleven dollars for the event. B. Five dollars for the event. C. One dollar per mile. D. Twenty-five cents or less per mile.
A. Eleven dollars for the event. B. Five dollars for the event.
C. One dollar per mile. D. Twenty-five cents or less per mile.
相关试题