Teenagers should do what they can ________ their achievements.
–Look at the sign! It says “No Smoking”.--Oh, sorry. I ____it.
Two ____ students ____ to the opening ceremony last Friday.
Susan _____ her friend’s invitation because of an important meeting.
–Look! The man at the gate ____ be our headmaster. He is always standing there every morning.-- No, it _____ be him. He is holding a meeting in the office now.
My mother says my friend is similar _____ me, but I think she is different ____ me.