The chance will be given to only ________ students, so ________ of you should try hard to catch it.
Many young people took part in _______ trees on Tree Planting Day.
Finish your homework first, then you’ll _____watch TV for an hour.
—What’s wrong with you ? —________.
They arrived while we__________ dinner.
—Shall we meet on Sunday or Saturday? —______ is OK. I’m free on weekends .