1. Politics (is/are) one of the most subjects in my class. → 2. The singer and the actor (is/ are) coming. → 3. Mathematics (is / are) difficult. → 4. Two billion dollars (is / are) sent to the victims of the tsunami. → 5. The film “Titanic” (is / are) very interesting. → 6. The weather in the southern states (gets, get) very hot during the summer. 7. The result of Dr. Noll’s experiment (was, were) published in a scientific journal. 8. Bob and his friends (is, are) coming to the anniversary party tomorrow night. 9. Washing the dishes (is, are) the children’ job 10. A lot of the students (is, are) already here. 11. None of the students (has/ have) finished the exam yet. 12. Two miles (is/ are) all that we need to walk today. 13. Not only the students but also the teacher (is/ are) tired. 14. He said that five dollars (was/ were) the usual charge. 15. Neither the newspapers not the radio (has told/ have told) the true story. 16. The poultry (is fed/ are fed) three times a day. 17. Here (comes/ come) one of the finest experts in all Europe. 18. One-third of the world (is/ are) rich; two-thirds of the world (is/ are) poor. 19. Economics (is/ are) a difficult course for some college students. 20. Three weeks (is/ are) a long time to wait for him. giúp mình với ạ