May I ____ some grapes?A. to have B. having C. have
My desk is next the window.A. at B. in C. to
I live Beijing.A. in B. for C. at
-- is your dog? – It’s behind the desk.A. What B. How C. Where
He playing basketball. A. am B. is C. are
Looking my books. A. on B. at C. to