Supply the correct tense of the words given in each blanket. 1. Four countries ________ (visit) by John so far. 2. London ______________ (have) a population of eight million people. 3. The Statue of Liberty in New York is a monument which ______________ (symbolize) freedom. 4. Vietnam’s Independence Day ________________ (celebrate) on September 09th. 5. We ______________ (visit) Sydney Opera House for several times. 6. Some activities ______________ (prepare) to celebrate the lunar new year now. 7. If she (not be) ______ late, she would catch the last bus. 8. If people recycle more, we (help) ________________ the Earth. 9. If people (travel)________________to work by bus, there will be fewer car fumes. 10. If you studied harder, you (pass) ________________ the exam.