What does it mean making echoes what did you know?
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Use prepositions or adverbs if necessary: 1) Canada is the world’s second largest country. It occu­pies the whole ...

the northern part ... the North American Continent. It is washed ... the Pacific Ocean ... the west,... the Arctic Ocean ... the north, and ... the Atlantic Ocean ... the east. It borders on (граничит) the United States ... the south. Canada has nearly 15 percent ... the world’s fresh water surface (поверхность). There are so many lakes ... Canada that they have never been counted. The climate ... the eastern and central parts ... Canada is continental... hot summers and cold winters, but... the south­western and southern parts ... the country the climate is mild. Canada’s forests are one ... her greatest resources. 2) The language ... Australia is English. The climate ... Australia varies... tropical... the cool and temperate. Australia is the driest continent... the Earth. About one half... its terri­tory is occupied ... deserts (пустыни) and semideserts. The commonest trees ... Australia are the eucalyptus, ... which there are over 500 kinds. There are also ocacia or mimosa, which is the national emblem ... Australia. Even stranger than plants are the animals. There live kangaroos, duckbills (утконосы), koalas (or koala bears) and a great number... dif­ferent birds, parrots... them.

Объяснение:

Есть еще один вариант ответа:
If Peter HAD COME to my place, we WOULD HAVE GONE to play in the yard.
If Peter HADN'T COME to my place, I WOULD HAVE WATCHED TV.
If Frank’s parents HAD HAD their holidays in summer, they WOULD HAVE GONE to the seaside.
If they HAD HAD their holidays in winter, they WOULD HAVE STAYED at home.
If the fog HAD THICKENED, Harold WOULD HAVE PUT UP the tent for the night.
When I HAD FINISH my work, I WENT to the cinema.
We BOUGHT this book as soon as our mother HAD GIVEN us some money.
When we HAD COME to your place you SHOWED us your present.
I HAD RETURNED you your ring when you ASKED me.
I HAD WAITED for my friend until he CAME from the shop.
My father HAD STARTED writing before the sun ROSE.
As soon as you HAD FINISH your study I PRESENTED you with a new flat.