( ) Even the top students in our class can’t work out this problem. So it _____ be very difficult.
( )There _______ some milk in the bottle.. A. is B. am C. are
( )I am____ to send an email to Mum. A. go B. going C. went
( )______ did you go last Sunday? A.What B. Where C. How old
( )I ____ a lion dance in the street yesterday. A.see B. saw C. seeing
( )Can you tell me more _____it? A. About B. about C. on