Nêu biểu hiện của trùng kiết lị và trùng sót rét

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I. Choose the letter A, B, C, D to indicate the correct answer to each of the following questions. Question 1. I _______ at school now. A. am being B. was being C. was D. am Question 2. I _______ to Ho Chi Minh City several times this year. A. have been B. was C. were D. had been Question 3. He _______ here three hours ago. A. is leaving B. left C. has left D. have left Question 4. We _______ Peter since last Monday. A. don’t see B. haven’t seen C. didn’t see D. hadn’t seen Question 5. Tim _______ a book when I came to his house. A. is reading B. read C. was reading D. reading Question 6. My brother _______ badminton. A. usually play B. is usually playing C. usually plays D. have usually played Question 7. I _______ my clothes at 7 o’clock yesterday evening. A. am ironing B. have ironed C. ironed D. was ironing Question 8. My mother _______ English for ten years. A. has learnt B. is learning C. learn D. learns Question 9. _______ you go to the zoo? A. How often are B. How often do C. How often does D. How are Question 10. The sun _______ in the East. A. is rising B. rose C. has risen D. rises Question 11: When I was young, I _______ to be a teacher. A. want B. was wanting C. wanted D. had wanted Question 12. My grandmother _______ 10 years ago. A. had died B. died C. has died D. was dying Question 13. Look at those black clouds. It _______ . A. rains B. is raining C. is going to rain D. rain Question 14. Tomorrow I _______ my parents. A. am going to visit B. will have visited C. have visited D. visit Question 15. She _______ books now. A. is reading B. read C. reads D. was reading II. Put the verbs in the brackets into the correct tense. Question 16. We seldom (eat) __________ breakfast before 7 o’clock. Question 17. What __________ you (do) __________ every morning? Question 18. We (build) __________ this house five years ago. Question 19. It (be) __________ often hot in the summer. Question 20. __________ you (watch) __________ TV yesterday? Question 21. He often (go) __________ fishing with his friends when he was a child. Question 22. We (live) __________ here for 2 years. Question 23. I (not see) __________ him since we (say) __________ goodbye. Question 24. Nam and I (play) __________ soccer at 3 p.m yesterday. Question 25. While I (cook) _________ dinner, my sister (read) _______ books last night. Question 26. He always (forget) __________ his homework. He isn’t careful. Question 27. We (be) __________ close friends since last year. Question 28. Uncle Ho (die) __________ in 1969. Question 29. We (buy) __________ a new car next year. Question 30. Keep silent! The baby (sleep) __________ .