giúp mik nha: II. Choose the best answer (A,B,C or D) 1. At lunch time, you can _______ lunch in the school canteen. A. be B. go C. do D. have 2. _______ morning exercise is good for you. A. doing B. studying C. having D. playing 3. Look! The girls _______in the school yard. A. are skipping B. skips C. skipping D. to skip 4. At break time, I go to the library and ______ books. A. go B. read C. play D. listen 5. Listen! someone ___ at the door. A. knock B. knocks C. is knocking D. are knocking 6. Nam _____football now. He is tired. A. doesn’t play B. plays C. is playing D. isn’t playing 7. We are excited ________ the first day of school. A. at B. with C. about D. in 8. My parents often help me ___ my homework. A. do B. doing C. does D. to doing