Tổng cộng 6 câu khoanh 14 Choose the best option A, B, C or D to complete the sentences below. He prefers to go ----------- his car than on the train to avoid gatherings. A. with B. by C. on D. in 15 Choose the best option A, B, C or D to complete the sentences below. People put pumpkin ----------- outside the homes during Halloween. A. neon signs B. bulbs C. lanterns D. lights 16 Choose the best option A, B, C or D to complete the sentences below. How ----------- is Anna going to stay in Hue city? – For five days. A. long B. many C. much D. far 17 Choose the best option A, B, C or D to complete the sentences below. Many children in the slums have died from ----------- and disease. A. malnutrition B. education C. entertainment D. pick pocketing 18 Choose the best option A, B, C or D to complete the sentences below. If people ----------- the rules, there are no more accidents. A. remember B. take care of C. follow D. obey 19 Choose the best option A, B, C or D to complete the sentences below. We should put ----------- on our roof for the heating and hot water. A. sun B. equipment C. solar panels D. solar energy 20 Choose the best option A, B, C or D to complete the sentences below. If we have sky-cycling tubes in the future, the air ----------- better than it is today. A. is B. will be C. isn’t D. won’t be