Đặc điểm sinh sản ở động vật nguyên sinh là A. Chỉ sinh sản phân đôi B. Sinh sản theo hình thức tiếp hợp C Sinh sản vô tính theo kiểu phân đôi hoặc nảy chồi D. Phần lớn sinh sản vô tính theo kiểu phân đôi, một số loài sinh sản hữu tính (tiếp hợp)

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II. Rewrite. 1. He hasn't written to his parents for 2 months now.  The last time ...... 2/ I've never been to Scotland before.  This is ........................................ 3/ He started learning French 3 years ago.  He has .......................... 4/ We haven't seen Ann for ages.  It's ............................................... 5/ I last saw him when I was a student.  I ...................................... 6. It / 5 years / since / I / visit / home village -> 7.The last time/ he / go / Da Lat / ten years ago. -> 8. He hasn't written to his parents for 2 months. It is ....... 9. I've never been to Scotland before.  This is ..................................... 10. I started learning English 5 years ago.  I've ............................. 11. The last time I saw him was in 1995.  I haven't ..................... 12. Linda's career as a television presenter began 4 years ago.  Linda has been ........................................................................... 13. It started to rain at two o'clock.  It has ....................................... 14. It is ages since I last saw you.  I haven't ......................................... 15. We last saw him when we were students.  We haven't .................... 16. She is the most beautiful girl I've ever met.  I've never........................ 17. He hasn't received news from home for two months.  The last time ....... 18. I’m sorry my friends are poor. I wish …………………………………………. 19. I speak English badly. I wish ………………………………………………………. 20. Last night I didn’t go to the party. I wish………………………………………………