一、单项选择
( )1.-Do you often clean your classroom?
-Yes. Our classroom ___ every day.
A. clean B.cleans C.is cleaned D.is cleaning
( )2.A talk on developments in science and technology___in the school hall next week.
A. given B.will be given C.has been given D.give
( )3.His new book___ next month.
A. will be published B. is publishing
C. is being published D. has been published