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Question:

Read the\u00A0supporting details\u00A0then correct the sentence below. Sentence 5: It is estimated that there were over four million tractor-trailer combinations on the roads, delivering three out of every four tons of goods. Which of the following options would correct sentence 5?

A Change \u201Cwere\u201D to \u201Care\u201D
Explaination

In order to correct sentence 5, the past tense verb \u201Cwere\u201D should be changed to the present tense verb \u201Care.\u201D The beginning of the sentence is written in the present tense (\u201CIt is ...\u201D); therefore, the remainder of the sentence should also be written in the present tense.