Who should be responsible for the accident?—The boss, not the workers. They just carried out the order_____.[ ]

It is very kind _____ you to help me with mywork because it is very difficult _____me to do it by myself.

Your body language _____ your real emotion.

What do you think of the film you saw yesterday—Oh! It’s one of films I’ve ever seen.

With the opening of the Qinghai-Tibet Railway, more and more people have chosen to travel Tibet, because it hasa(n) _____natural landscape. [ ]