Giúp mình các bài này mik đánh giá 5 sao ak

15. I can't cope well A. about 16. Some universities in the United States offer different tuiltion fees and living costs. A. scholarships 17, all the homework I've got to dot C. with B. on D. of to international studenta to help to cover B. school C. scholarly D. scholar cournes belp s ...