Ответы и объяснения


1. John decided that he would visit his great-grandmother and great-grandfather in 3 days

2. I didn't know that their house is on the bank of the river

3. Ann asked us if we have ever been on the banks of the Mississippi 

4. A pupil said that he can't name the deserts in Australia

5. I wanted to understand why they did it

6. A little John didn't know at what temperature melts metals

7. We asked when we go to London again

8. He didn't believe that  I had never seen the skyscapers

9. A teacher asked what great rivers in Russia and America we know