选择正确的单词填空。
1. How many (A. triangle B. triangles) can you see?
2. I am (A. writing B. write) a letter.
3. I have four (A. child B. children).
4. Let's (A. sing B. singing) a new song.
5. (A. What's B. How's) the weather today?
6. He can play (A. piano B. the piano).
7. There (A. is B. are) some chicken in the dish.
8. I want (A. watch B. to watch) TV.
9. Do you go to to work (A. on foot B. by foot)?
10. It's (A. suny B. sunny) today.
1-5 B A B A B
6-10 B A B A B