第一部分语言知识运用第一节 单项填空(共15小题,每小题1分,满分15分)21.We work together to achieve our common purpose: world that is safer cleaner and healthier than one we found.
Most of us hate people ________ talk much but do little.
The craze fans ________ outside the hall, and they will wait till the movie star comes.
Her grandmother has taught in this school _______ she became a school teacher.
Is this the hotel ________ you stayed the first time you were here?
Please ask ________ not to skate on the thin ice.It’s very dangerous.