EXERCISE 3 . Complete the sentences with correct tense of verbs. ...................................................................... 1. My friend asked me what I __ (can) do to keep the campsite clean. 2. Mandy asked me if the boys __ (read) the book at present. 3 . The teacher told us that we __ (travel) to the Mekong River the following month. 4. They say that they __ (never/be) to Scotland before. 5. Jason and Victoria told me they __ (work) on a project on environmer tal protection then. 6 . I wondered why Nick __ (go) to Ba Vi National Park every summer. 7.John wondered whether he __ (may) be able to cycle in the Dolomites. 8. She asked me if everyone __ (must) ask for permissior before entering Son Doong Cave. 9. My mom said she __ (be) going to visit a friend of hers in London. 10. Shannon said that she __ (need) to train every day for her trekking trip. 11. The guests wanted to know what time the jeep tour __ (start) and __ (finish). 12. They all w bease the l est answer a b,cord. 12. They all wondered what they __ (have) to do to restore damaged ecosystems.