— Are you a teacher? — No, but I ____. I worked in a middle school for three years.
The man ______ you are talking is in the next room.
— I feel really disappointed not to have got that job. — Don't worry. Maybe something better will ______.
We_____ the old scientist________ his contribution________ the country.
Every student is required to watch the teacher carefully before ___ the chemistry experiment.
I am a stranger here. So the city isn’t familiar ______ me.