—Is Mr. Brown a good teacher?—Yes. He is kind ____ us. We love him.
There________great changes in our hometown in twenty years.
—Do you know________tomorrow?—David?Never!He hates outdoor activities.
—Your T-shirt is so cool.Could you tell me________?—I bought it at the department store.
Mr.Smith,a famous scientist,________that park next Thursday.
Mark works hard now,and he does his work________than before.