II. Chọn phương án đúng (A, B, C hoặc D) để hoàn thành câu. 6. He’s taken his medicine, ________? A. hasn’t he B. didn’t he C. doesn’t he D. isn’t he 7. My parents have stayed in Dublin _______ two weeks. A. during B. for C. about D. at 8. She _______ a very amusing article in one of the newspapers yesterday. A. found B. find C. finds D. has found 9. _______ more than one hundred elements are known, only 25 of them are common and important. A. Because B. Although C. Whether D. Since 10. Mother’s Day is _______ May. A. on B. in C. at D. for 11. Can this be a little girl _______ hair I used to stroke. A. which B. whose C. of whom D. who’s 12. I’m sorry I _______ you party. I was away at that time. A. lost B. failed C. passed D. missed