1. ____ you treat me, so I shall treat you. 

　　　 A) As if
　　　 B) Such
　　　 C) As
　　　 D) Just like

　　2. She always talks to me ____ she were my sister. 

　　　 A) as if
　　　 B) as
　　　 C) just as
　　　 D) just like

　　3. This is not so ___ it looks. 

　　　 A) easier as
　　　 B) easy as
　　　 C) easier just as
　　　 D) easier than

　　 4. This film is more interesting ____ that one. 

　　　 A) as
　　　 B) as if
　　　 C) just as
　　　 D) than

　　5. She eats ____ than a bird (does). 

　　　 A) as less
　　　 B) as more
　　　 C) less
　　　 D) so less