（ ）1. I don’t know ________ next .
A. how to do B. how to do it C. to do how D. what to do it
( ) 2. Simon and Kitt y didn’t know what to ________ on the Internet .
A. look B. look for C. look after D. look up
( ) 3. _________ nice weather it is !
A. What B. What a C. How D. How a
( ) 4. We all think her _________________ .
A. nice girl B. a nice girl C. is a nice girl D. nice a girl
