----- Nội dung dịch tự động từ ảnh ----- B. Use the correct word form of the word given in each sentence. 11. They formed a close at school. (friend) 12. students do their exercises (care) 13. The population from the factory is a public 14. It is always 15. Every student was very (dangerous) to write down important points. (wisdom) about the holiday. (excite)