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a)a+5 chia hết a-2 b)3a chia hết a-1 c)5a-8 chia hết a-4 d)a mũ 2+a+2 chia hết a+1
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Mn giúp t với EXERCISES ON SUBJECT AND VERB AGREEMENT ( sự hòa hợp giữa S-V) 1. Three months (be) a long time to wait. – are 2. Five dollars (be) too much to pay for that book. – is 3. A number of books (be) on the table. – are 4. The number of students in this class (be) limited to thirty. – is 5. It (be) my two brothers who (be) hurt. 6. It (be) the children playing upstairs. Neither of the answers (be) correct 7. Neither (be) to blame. 8. Everybody (have) a good time. 9. Either your key or my key (be) missing. 10. John or his brothers (be) going to help me. 11. Bread and butter (be) all he asked for. 12. The author and lecturer (be) arriving today. 13. My old friend and colleague, George (be) in town. 14. The pen and paper (be) on the desk. 15. Jim and Joe (be) roommates. 16. The boxes of candy (be) on the table. 17. The package of cigarettes (be) on the table. 18. Oranges and cream (be) perishable and should be refrigerated. 19. Oranges and tangerine (be) delicious. 20. Most of the members (be) happy. 21. Half of the students (be) looking out. 22. Some of the sugar (was/were) spilt on the floor. 23. There (be) plenty of time. 24. There (be) a lot of lakes.

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