III. 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.