--We need a man full of wisdom to take charge of the project.--________ the young man graduating from Harvard have a try?

We can eat in the dining hall. But we _______ eat in the classroom.

A good rest between classes ________ recover brain power to its best and make us perform better in class later.

Don’t interrupt me ,John ．      you force me to tell you the truth at the moment?

We used to work in the same office and we____ often have coffee together, which I missed so much years later.