The two brothers look so much alike that it is difficult to.

One reason Crystal has become so famous is that he is very quick thinking, and is often able to _____ new jokes about the people and things around him

I want to change my desk. It _______toomuch room.

Ever since my brother graduated from the university, he _______ in the present company for 15 years and he is now chief engineer of the company

In his spare time, he often listens to music and watches films to _______ himself.