Mark the letter A,...

Câu hỏi: Mark the letter A, B, C or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions

A. People should either throw rubbish or cut down the trees in the park

B. People should neither throw rubbish nor cut down the trees in the park

C. People should either throw rubbish nor cut down the trees in the park

D. People should neither throw rubbish or cut down the trees in the park