Complete the sentences with the correct form of the verbs (present simple, present continuous, or present perfect).
1. __________ (you/ talk) about the upcoming journey? Can I join? 2. Recently, the United States__________ (alter) the whole of their immigration laws. 3. Either kangaroo or Sydney Opera House__________ (symbolize) Australia. 4. Look at the London Eye! The wheel__________ (appear) motionless, but it__________ (rotate) slowly. 5. Look! The concert__________ (start) at 7 P.M. and__________ (end) at 9 P.M. 6. Canada__________ (provide) fish, furs, and other natural resources to the world since the 15th century. 7. We’ve already booked our holiday. We__________ (go) to Scotland in July. 8. About 375 million people__________ (speak) English as their first language. 9. To preserve natural habitat, the government__________ (establish) six national parks so far. 10. Excuse me, what time__________ (the last train to Dublin/ leave)? 11. I__________ (live) in the UK at the moment to learn English. 12. English__________ (be) an official language in several African countries, such as Liberia, Nigeria, and South Africa. 13. __________ (you/ ever/ be) to Singapore? - Yes, I__________ (be) there twice. 14. Where__________ (you/ go) on your holiday next summer? 15. Over 670 million people__________ (visit) Disneyland since its opening in 1955.