—Are all the students from in your class? —No, there are only three in our class. The others are from other countries.
His success on science____working hard.
He____the city as soon as he came here.
I was afraid ____speak English in class,because I was afraid ___being laughed at.
-Remember this,children.___careful you are,____mistakes you will make.--We know Mr.Li.
He had to go home ___poor health.