2 . I would wear ______ unique green hair when I was in my twenties.

A．a

B．an

C．the

D．/

3 . Many lifestyle patterns do such_______ great harm to health that they actually speed up_______ weakening of the human body.

A．a; /

B．/; the

C．a; the

D．/; /

4 . We stood at the top of the mountain______east of the city, watching ____burning sun rising.

A．不填; a

B．the; a

C．the; the

D．不填; the

5 . Everything comes with ____ price; there is no such ____ thing as a free lunch in the world.

A．a; a

B．the; /

C．the; a

D．a; /

6 . Everything comes with________ price; there is no such________ thing as a free lunch in the world.

A．a; a

B．the;/

C．the;the

D．a;/

7 . It's ________ good feeling for people to admire the Shanghai World Expo that gives them ________ pleasure.

A．/；a

B．a；/

C．the；a

D．a；the

8 . On ______ Children's Day，Jack received a prize for being ______ honest boy.

A．the； an

B．/； an

C．/； a

D．the； a

9 . Chatting online can be ________ fun, but kids must be sure they stay safe on ________ web.

A．/; a	B．a; the
C．/; the	D．a; a

10 . Investors are also concerned that once the economy improves, people might lose ______  interest in further education.

A．不填	B．a
C．an	D．the