1.After years of effort, the? _________(沙漠)was transformed into grassland.
2、The example mentioned in the passage (不为……所知)many people.
3、We (不敢)play jokes on him for fear that he should become angry.
4、This year the factory has doubled its production compared with the (先前的)year.
5、To remain competitive in the market, our company has to (不断地)improve our efficiency.
6.Though ______________(bring) up in a poor family, the young girl has a high level of self-esteem.
7.With so many people ____________ ( wait) anxiously to use the lift, we must get it repaired as soon as possible.
8.Fire ___________(safe) measures are essential not only at home but also in public areas.
9.The teaching reform ____________ ( intend ) to promote students’ motivation in class has received good results.
