VI. Supply the correct tense of the words given in each blanket. 21. Four countries ______________ (visit) by John so far. 22. London ______________ (have) a population of eight million people. 23. The Statue of Liberty in New York is a monument which __________ (symbolize) freedom. 24. Vietnam’s Independence Day ________________ (celebrate) on September 09 th . 25. We ______________ (visit) Sydney Opera House for several times. 26. Some activities ______________ (prepare) to celebrate the lunar new year now. 27. Canada ______made up of 10 provinces and three territories. (be) 2 28. Australia _________ a range of different landscapes, including urban areas mountain ranges, desserts and rain forests. (have) 29. Annually, the National Eisteddfod festival of Wales ______ place for eight days at the start of August. (take) 30. Since 1965, the maple tree with the leaves __________ the most well-known Canadian