-Why do you like him?         
-________ he looks so serious.         

Beijing is an old _______ modern city.

—Wait for me, please. I'm not ready.
—You should get all the things ready ___ we begin our trip.

My cousin is fond of drawing pictures, _____ painting is her hobby.

用so/and/but/or填空。
1. His mother is in hospital ______ he can't go to school today.
2. I never play games ______ send emails on the computer.
3. Mary has got two computers ______ she doesn't often use them.
4. My father doesn't play games ______ send emails on the Internet.
5. She likes downloading music ______ she also likes sending emails.

Lucy got up late this morning, _____ she didn't catch the early bus.

—You watched the fashion show last night, didn’t you?
—Yes, _____ I missed the beginning.

I like black __________ red, _________ I don’t like yellow.