The teacher was trying to the students( )them in line.

问题描述:

The teacher was trying to the students( )them in line.
A to make
B to keep
请问括号中填A还是B.
关键是为什么?我想搞清楚原因.急.

B
make后面通常要加一个工作,
而keep是保持一种状态,这里是保持队形.