Whenever he has trouble in study，he always tries，（），to get help from his teachers and classmates.

After the bell rang，the teacher began to pass（）papers to the anxiously waiting students.

A.away
B.out
C.through
D.by

点击查看答案&解析

The car（）and stopped at the red traffic lights.

A.got on
B.got off
C.slowed down
D.picked up

点击查看答案&解析