—What does the sign on the wall mean? —It tells us ____ .
A. to talk
B. to keep talking
C. not to talk
D. talking
---Which one has different sound from others? ---I think it is ________.
A. short
B. world
C. horse
D. sport
There is a clock ______ the wall and the windows are _____ the wall.
A. on, in
B. in, on
C. in, in
D. on; on
The bookshop near our school_______ the whole day on Sunday.
A. opens
B. is open
C. open
D. is opening