The radio says that the basketball final will be covered .
—What happened to Billy?— He ___________ by the police because of his drunk-driving.
--What do you think of your math teacher?-- He is kind, he looks serious.
-–- I wonder if he to see us tomorrow.---I’ m sure if he , he will bring us some wonderful gifts.
—It’s smoggy these days. That’s terrible!—Yes, I hope to plant trees. ______ trees, ______air pollution.
School students ________ smoke because it is against the school rules.