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

People should not throw rubbish in the park. People should not cut down the trees in the park

A. People should both cut down the trees and throw rubbish in the park

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

C. People should throw rubbish and cut down the trees in the park

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

Đốt cháy hoàn toàn 9(g) axit cacboxylic A thu được 8,8g CO₂. Để trung hòa cũng lượng axit này cần dùng 200ml dung dịch NaOH 1M. Tên của A là

A. axit axetic

B. axit propanoic

C. axit oxalic

D. axit malonic

Mark the letter A, B, C, or D on your answer answer sheet to indicate the underlined part that needs correction in each of the questions

Each of the beautiful cars in the shop was quickly sold to their owner.

A. Each 

B. cars 

C. quickly 

D. their