The coach should make his players of what is happening in the team.
They are so busy that they have no time to do any sports, ______they need to do so.
I don't know _______.
Hurry up! The train ______. You know it ______ at 8:30 am.
The head teacher insisted that every minute ______ made full use of ______ for the mid-exam.
Hangzhou marathon is a race _______aim is to help people know the importance of taking exercise.