问题

Teachers should ___them to continue studying when somestudents want to give it up.

A: encourage
B:keep
C:prevent
D:make

正确答案是：

同类题型

Tom Maria arefrom Cuba

I found it very difficult to get ________up so early before, but I did finally_________

We had to wait months for the government to __________ our plans to carry out the project.

The girl ______ is reading under the tree _____my sister.

下列各句中有语病的一句是