III. Choose A, B, C, or D to fill in each gap in the following sentences: 1. We usually play football in winter ____________ its cold. A. although B. because C. so D. but 2. Kien often ________ his bike to visit his hometown. A. drives B. flies C. rides D. goes 3. Its cold. The students __________ warm clothes. A. wear B. wears C. wearing D. are wearing 4. Phuong is very good ________ English and History, but she doesnt like Maths much. A. with B. for C. to D. at 5. The children look very ____________ while playing games during break time. A. excite B. excited C. exciting D. excitement 6. Look! The girls are _________ rope in the playground. A. dancing B. playing C. skipping D. doing 7. Did you see _____ people in the park today? A. much B. some C. many D. few 8. Would you like _____ sugar with your coffee? A. some B. any C. a D. little 9. I ______ forget my key, or I won't get in. A. must B. mustn't C. should D. don't have to 10. The sign at the check-in desk says: "Passengers _______ show their tickets." A. might B. may C. must D. can 11. The doctor said to him: "You ______ exercise or you certainly have a heart attack again. A. must B. mustn't C. don't have to D. may 12. My best friend ______ big brown eyes and a round face. A. has B. does C. gets D. takes 13. Nam is such a/an ______ student. He joins many clubs in my school. A. activity B. active C. activities D. actively 14. My Uncle seldom smiles. He is always ________. A. serious B. seriousness C. series D. seriously 15. Thanh doesnt have many friends. Mike has lots of friends. Mike is ______ than Thanh A. more sociable B. more careful C. older D. bigger