Tom is ___ English boy. He goes to ____ school by bus.
-Tomorrow is Sunday. Are you going swimming?-I’m not sure. It ______ the weather.
-Tina, you didn’t come to school yesterday. ______? -I had a high fever.
-Are you going to Beijing by ______ train?-No. I’m taking ______ car.
There ________ elephants if we don’t protect them now.
Sara kept the secret to ________ and nobody knew about it.