There was a________look on his face when he met with the________problem.

You’d better go there by train.The train ticket is________the airplane ticket.

Do you know that _______ with wise men improves your mind?

When I said that some people are stupid I was not _______ you.

Professor Li, do you like Ewa and can you make a(n)_______ on her new movie?

I regret _____ you that my sister regretted _____ out with you. You are not the kind of person she wants.

A. telling; going     C. to tell; to go         C. telling; to go            D. to tell; going

Everybody showed great respect to the old doctor, who devoted everything he had to __________ the poor conditions of the local hospital.

       of the land in that district          covered with trees and grass.

 He is the only one of the students who         a winner of scholarship for three years.

The number of people invited ____________ fifty, but a number of them __________ absent for different reasons.