Tham khảo tài liệu 'anh văn toefl structure-017', ngoại ngữ, toefl - ielts - toeic phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Anh văn TOEFL Structure-017 1 A fuel is a substance used --- light heat or energy. u a generating u b generates u c to generate u d it is generating 2 The state of Maine generally has cooler temperatures than u a there are most other states u b most other state which have u c most other states have u d having most other states 3 Fruit is one of the most abundant nutritious and --- foods a person can eat. u a delicious u b too delicious u c is it delicious u d tastes delicious 4 Prescriptions for corrective lenses that are provided by an optometrist are often brought to an optician who --- the lenses. u a grinding u b .