Giúp e với ạ :((((( 20. In Adelaide, south of Australia, the sun …….………….. until 9 p.m in summer A. not set B. will set C. doesn’t set D. don’t set 21 When …………happens, the water temperature in rivers, lakes, or oceans changes. A. air pollution B. thermal pollution C. land pollution D. noise pollution 22. The acid rain has caused the……………… to the trees in this area. A. die B. destroyed C. damage D. polluted 23. Environmental pollution has led _____ lots of health problems. A. on B. in C. to D. at 24. How long ………..Lan ( learn ) ……… English? - For 3 years. A. has/learned B. have/ learned C. does/ learnt D. has/ leaning 25. He has decided……… work in a school in a quite remote area. A. working B. worked C. to worked D. works 26. Han river bridge in Danang is a ……………. of this famous city. A. symbol B. icon C. unique D. scene 27.. .……………… say that exhaust fumes are poisoning our city . (Science) A. Science B. scientists C. scientific D. scientist 28. Communicating by expressing your thoughts with words is called _______ communication. A. verbal B. non - verbal C. sending flowers D. listening to music 29. Scotland is an interesting place to visit with its cultural ……………….. A. rich B. riches C. richness D. richest 30. The government has sent rescue equipment, food, and ................. to injured people A. medical supply B. letter C. debris D. evacuation 31. That severe storm left behind badly ………………. buildings A. damage B. damaged C. damages D. debris 32. . is a way to communicate instantly by thought. A. Emailing B. Using telepathy C. Video chatting D. Snail mail 33. Our city _____ from different kinds of pollution: water, air, noise. A. is suffering B. are suffering C. suffer D .had suffered 34. Factories waste into rivers if the government fines them heavily. A. not dump B. wouldn’t dump C. won’t dump D. didn’t dump 35. English is a/an _____ language in countries like England, The USA, Australia. A. second B. first C dialac D. foreign) 36. .Netiquette is a set of rules for ____________ properly online. A. behave B. behaving C. behaved D. to behave 37. is a way to communicate instantly by thought. A. Emailing B. using telepathy C. video chatting D. snail mail 38. A violent storm with very strong winds which move in a circle is called__________. A. drought B. tornado C. flood D. mudslide) 39. Environmental pollution can lead _____ lots of health problems. A. to B. with C. from D. on) 40. Choose the word which has a different stress pattern from the others: A. positive B. photography C. historic D. technology