Be patient with your students ______ it takes time for them to adjust to their new way of school life.
They don't study in No 1 High School, ___ those boys.
Bill was staying on a farm with his uncle last summer.So ____ Mary.
--How many eggs are still there in the fridge, Bill? ---_____.
About ____ of the teachers in our school ____ young people under thirty.
___Mr Chen is waiting outside to speak to you. He appears to be quite ___ important person.