The man ______ is our new headmaster.
Mr.Morse,who graduated from a famous medical university,spent years ______ his skills as a doctor.
He’s _______as a “bellyacher” —he’s always complaining about something.
They are only children of not more than twelve and don’t realize_______to organize such an exhibition.
_______ makes the school famous is_______more than 90% of the students have been admitted to universities.
—Really,I don’t know_______to join the army or to find a job after my graduation.—Why don’t you_______ your parents’ advice? They will surely help you.