By the time we went there ,he................out A D had went B had gone C has gone 2The new hotel ......................next year A is opened B will be opened C is opening 3 Water pollution is the.........in the lake has made the fish die A contaminating B contaminate C contaminated D contamination 4 water ....in the lake has made fish die A pollution B pollute C polluted D polluting 5 people in country like USA Great Bristain and Neu Zealand use English as their................language A official B native C foreign D compusory 6 Several tropical storms ..............our country recently A struck B have struck C are striking D strike 7 Phong ''Do you think that you can book our tour to the USA'' A i don't understand B SUre C really d Yes of couse Chữa lỗi sai: 1 I never GO to Australia i HAVE BEEB to Austrailia YET . 2 Air polluting /together WITH littering ,is CAUSING many PROBLEMS in our cities today

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