Exercise 1: Choose the best option (A, B, C or D) to complete the following sentences. 1. I forgot to wear a sun hat today and I got a ________. A. stomachache B. headache C. backache D. earache 2. My uncle ________badminton twice a week. A. play B. plays C. played D. playing 3. Will you pick________ making models in the future? A. up B. for C. at D. to 4. I enjoy ________ dolls and it becomes my pleasure. A. collecting B. collect C. collected D. collects 5. Phuc: Have you ever done volunteer work? - Duong: ________ A. Yes, sorry. B. Yes, I have. C. No, thanks. D. It’s very kind of you. 6. My sister is good ________physics. A. at B. on C. in D. for 7. Spinach is very good ________you, but you must wash it ________ A. at / careful B. at / carefully C. for / careful D. for / carefully 8. I won’t go to school tomorrow, Lan won’t ________ A. too B. so C. either D. neither 9. The dentist tells them how to look ________ their teeth. A. at B. after C. into D. for 10. To stay healthy, you should ________ every day. A. play games B. playing sports C. doing exercise D. do exercise