I can play ______ guitar, and I usually play it on ______ weekends.

Jenny is       university student,. She likes playing       chess after school.

I couldn’t remember the exact date of the storm, but I knew it was ________ Sunday because we were on ________ field trip.

2012 is the Year of the Dragon．The dragon is       fifth sign in the Chinese Zodiac cycle (十二生肖).

Your sister has       bad cold, and you must give her some medicine __ this afternoon.
A. an; /                 B. a; /                  C./;the

There is ______ American boy in our class and ______ boy can speak good Chinese .

________ Greens are on _________  visit to the Great Wall.

- How do you like _____ weather in Zhenjiang?
- Warm and pleasant! I like it very much.

It's not_______ good idea to work hard for four hours without_______ break.

---Excuse me, have you seen ________ lovely cat?
---Is it ________ black cat? Just now I saw it sleeping under the table.