1 . He is a ________(谨慎的) person, so whatever he does, he is not only discreet (慎重的) but careful as well. (根据汉语提示单词拼写)

2 . The boss is c__________ about making promises and once he did, he will keep it.

3 . My father is a   c_______   motorist; he never does any dangerous driving.

4 . The scientists are c_________ about using the new medical treatment on humans.

5 . As for those Internet users，they should be ________ (小心的) when making friends online.

6 . I’ve always been ______(谨慎的) about giving my address to strangers. (根据汉语提示单词拼写）

7 . They should be more ________ (谨慎的) about the arrangement of such an activity. （根据汉语提示单词拼写）

8 . I’m __________(谨慎) about what I say because careless remarks will hurt one’s feelings. （根据汉语提示单词拼写）

9 . Tom is so c__________ a driver as never causes accidents. (根据首字母单词拼写)