【正文】
the first ____ if you want to make friends with others. A. step B. time C. job D. hand A B 13. Some students are so ____ that they often make mistakes in their homework. A. careful B. serious C. careless D. successful 14. Doing exercise ____ good for your health. A. be B. am C. is D. are 15. Please remember ____ off the lights when you leave classroom. A. turn B. turning C. turns D. to turn C C D 四、根據(jù)漢語(yǔ)意思完成下列句子。 6. Mr. Zhang is very serious, so I talk with him. 7. my mother about my problems made me feel