1 . Drivers are supposed to l________ the speed in the neighborhood because children may be playing there.(根据首字母单词拼写)

2 . The two collectors are determined ________(buy) the precious vase, however much it costs. (所给词的适当形式填空)

3 . I am in no position to ________ (评价，判断) whether what she is doing is right or wrong. (根据汉语提示单词拼写)

4 . To be frank, I hadn’t intended to___________________(让她失望) but I failed again. (根据汉语提示完成句子)

5 . His wife asked him to turn over a new leaf and ______________ (戒掉) smoking. (根据汉语提示单词拼写)

6 . Dogs are sensitive about smells so that they can help hunters to _________(追踪) different kinds of animals. (根据汉语提示单词拼写)

7 . Tom kept quiet about the accident so as not _____ ( lose) his job. (所给词的适当形式填空)

8 . When another bean plant ________ (探测到) the chemicals from its injured neighbour, it starts to ________ (释放) its own, different chemicals.（根据汉语提示填空）

9 . The company is ______ ______ ______ (为……负责/受责备) the environmental pollution. （根据汉语提示完成句子）

10 . To remain competitive, the company has to be able to ______ ______(适应) the changing marketplace. （根据汉语提示完成句子）