6. Tom, you must __________ your things.
A. look B. look at
C. look after D. look like
7. It's five in the afternoon. It's time __________.
A. to go to school B. go to school
C. to go home D. go home.
8. ------ What's Jim doing?
------ He's __________ a book.
A. seeing B. reading
C. watching D. looking
9. There are __________ on the floor.
A. four bags of rice B. four bag of rice
C. four bags rice D. four bag rice