I must pay attention ____ it.A. to B. to C. in
( ) ________ are all good students in schools.
( ) The film is very boring. ________ people like it
( )—Is it serious, doctor? —Don’t worry. ________ serious.
( )—Is this postcard ________? —Yes, It’s________. It’s from ________ friend.
( )—Which do you prefer, a bottle of orange juice or a bottle of milk? —________, thanks. I’d like a cup of tea.