His father is a laid-off worker with a total income of around 300 yuan per month, which ________ only the basic needs of his family.
______ for the free tickets, I would not have gone to the films so often.
It’s the third time _____ arrived late this month.
Our classroom is very clean. Do you know who___cleaned it?
—— Was that the new comer who walked by? —— _____.
____being March 12th, they planted trees on the hill.