It’s selfish ________ him ________ thecakes with others.

If you often feel tired and can’t focus your attention, that is________you have to stop working toohard and to have a rest[ ]

He chose to teach in a western province, though he ______ in the city for a better life. [ ]

It is what you do rather than what you say _______ matters．

Where did you find the professor who made the speechyesterday— It was in the hall_______ the students often have ameeting.