Mr.Li, I can’t understand everything in class.——–Don’t worry ! I’ll _________ the main points at the end.
You don’t look ______ today. What’s wrong? –It’s the bad fever.
It’s very convenient______us to buy train tickets now because we can buy themeither fromthe station or on the internet.[ ]
Tom is my friend. I’m in Class Three with ______ .
Mary isn’t here. She has _______the shop.