1) Gary was (riding) his bicycle while Alan was skateboarding.
2) The policeman asked, “What were (you doing) at the time of the robbery?”
3) I (passed) the exam without difficulty.
4) Mum had (cooked) dinner before dad came home.
5) She was (writing) a letter when the lights went out.
6) They went on holiday in June.
7) A woman from Vancouver (found) a bear in her kitchen.
8) When I was a teenager I (played) in the school basketball team.
9) My aunt Jane was (driving)to Oxford when I phoned her.
10)Paul (got dressed), had breakfast and then went to school.
1) When I came home yesterday, my sister had already returned and watched TV
2) He smoked 3 cigarettes, looked at all the books on the shelf when he finally heard the footsteps of a friend approaching the door
3) She is going to read the letter she just received
4) He has been writing an essay for 2 hours already. He says that he will soon finish writing an essay, since he is now writing a conclusion
5) When I left the house I remembered that I forgot an umbrella at home
6) Students write a test for dinner
7) Students will write a test for dinner
Объяснение:
Africa:The river Nile
Asia:Mount Everest,The Gobi Desert,
Europe:Malta,Lake Geneva,Mount Vesuvius
Australia:Ayers Rock
North American:The Grand Canyon,Niagara Falls,
South America:Angel Falls