There are _____ bananas in the box. I will buy some this afternoon.
My mother is strict both _____ me and ____ her work.
------ Do you know where Li Ming is working _____? ------ Maybe in Guangzhou, I think.
You should keep working hard ____ you have passed the exam.
Li Ming is in poor health. He should pay more attention _________ exercise.
______, the boy won the prize.