—What ________ I doing? Guess!
—You ________ playing the guitar.
A. am; / B. /; are C. am; are
---Would you please ______ the door?
A. open B. to open C. opening
She is so ______ because her book is missing
A. excited B. tired C. sad
-- ___ is the cap? ---It’s five yuan.
A. How many B. How much C. How old
---What would you like to ______? ---I’d like some vegetables.
A. to eat B. eating C. eat
---Wherehe live? ---He lives on a farm.
A. does B. do C. is