“If you are to succeed, you must put your shoulder to the wheel." my head teacher _______ says to the class.
He said it was this classroom _______ he found his lost watch and _____ he would take good care of it from then on.
_________ wants to enter for the match should reach the given standard.
I hate ______ when people call me by my nickname (绰号).
Can you see that building ______ by trees? That’s ______ we study.