3. Mary is a _____________(care) girl. She seldom makes mistakes. But her brother always makes mistakes, he is a _______________(care) boy.

2. The singer waved to these ___________(visit) while she_____________(dance) to the music.

1. These_________________(perform) clothes are colourful.

25.(　 ) There are so many beautiful things in the shop. I can’t decide_____.

　　 　　A. which to choose one　 　B. to choose which one　

C. which one to choose　 D. to choose one which

24.(　 ) The classroom is so dirty. Would you please help me to_____ it clean?

　　　 A. tidy　 B. let　 C. make　 D. keep

23.(　 ) There is_____ in the classroom, we can see_______.

　　　 A. enough light, clearly enough　　 B. light enough, clearly enough

　　　 C. enough light, enough clearly　　 D. light enough, enough clearly

22.(　 ) I can’t say_____ I want to see you again.

　 　　　A. how long　 B. how soon　 C. how much　 D. how often

21.(　 ) Which sentence is true?

　　　 A. The weather is warmer in Shanghai than in Beijing.

　　　 B. It is warmer in shanghai than that in Beijing.

　　　 C. The weather in Shanghai is warmer than that in Beijing

　　　 D. The weather in Shanghai is warmer than in Beijing

20.(　 )It is_____ difficult for us___ climb up the mountain.

　　　　 A. very, can’t　 B. too, not　 C. too, to　 D. very, to

19.(　 ) Must I hand in the composition now?　 ________.

　　　 A. Yes, you need　　 B. No, you mustn’t　 C. No, you needn’t　 D. Yes, you mustn’t