------May I take some pictures here?
------Sorry, you mustn’t. Please look at the sign. It says“”.
A. NO PHOTOS
B. NO TALKING
C. DANGER
------When did you have your school trip?
------________.
A.In five days
B. For five days
C. Five days ago
Would you mind _________ basketball here?
A. playing B. to play C. play
I am good at math, but his English is ________ than mine.
A.much better
B. more better
C. very better
You look too tired. Why not _________a rest?
A.to stop having
B. stop to have
C. stop having
B. 
C. 