This stone tool was made ________ Peking Man.A.with B.by C.in
-- 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
Daming is music. A. listening to B. listen to C. listening
Amy is pictures.A. take B. taking C. talking to