进阶训练
一、用所给单词的适当形式填空。
1. Look! The dog ________（run）in the park.
2. Listen! The girls ________（sing）an English song in the room.
3. Wang Bing ________（brush）his teeth now.
4. It’s seven o’clock now. We ________（watch）TV in the living room.
5. They are ________（skate）at the party.
6. She ________（not fly）the kite now.

1. is running 2. are singing
3. is brushing 4. are watching
5. skating 6. isn't flying
本大题考查现在进行时的句型结构，谓语部分要用“be＋动词 -ing”，现在进行时的否定句是直接在 be 动词后面加 not。

二、按要求完成句子。
1. We are singing and dancing in the music room.（改为否定句）
We ________ ________ ________ ________ in the music room.
2. I often do shopping at weekends.（用now改写句子）
I ________ ________ ________ now.
3. I’m brushing my teeth.（改为复数句）
________ brushing ________ teeth.
4. Su Hai sometimes watches a film.（用now改写句子）
Su Hai ________ ________ a film now.
5. Liu Tao doesn’t do his homework on Saturdays.（用now替换on Saturdays）
Liu Tao ________ ________ his homework now.
6. in, Tom, reading, study, the, a, is, book（.）（连词成句）
________

1. aren't singing or dancing 2. am doing shopping 3. We're, our 4. is watching
5. isn't doing 6. Tom is reading a book in the study.