选出不同类的一项
(1)A. doing B. people C. drinking
(2)A. dragon B. chess C. under
(3)A. interesting B. watching C. reading
(4)A. in B. on C. do
(5)A. are B. hungry C. am
( )（5） Do you like _______?
A. singB. singsC. singing
( )（4） Where ____ you from ?
A. isB. areC. do
( )（3） Let _____ begin our class .
A. isB. areC. do
( )（2） — Welcome to our class ! — _______________.
A. Hello .B. Sorry !C. Thank you !
( )（1） We have two new friends _____ our class .
A. atB. onC. in