1 . When it comes to second hand cars, one has to be as c_____________ as possible about the condition of them.

2 . The governments are very________ about setting a new policy and make no decision until they are quite sure it is the right one.

A．particular

B．concerned

C．cautious

D．certain

3 . He is generous and ________ (caution), so you can depend on him.

4 . The boss is ________(小心谨慎的) about making promises. (根据汉语提示单词拼写）

5 . —What do you think of Mr.wang?
—He is a man full of curiosity. He is always ______about my work.

A．conscious

B．cautious

C．curious

D．crazy

6 . 我当众表达意见十分谨慎。(be cautious about)
                                                                                

7 . She was like a ________ little china doll, special and easily broken.

A．delicate

B．dynamic

C．cautious

D．vague

8 . It is ____ to keep throwing my money away on such meaningless things.

A．ridiculous

B．particular

C．cautious

D．curious

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

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