2.There are 17,800,800 people in Australia.

There are 28,100,100 people in Canada.

The population in Australia is　 (4)　 (5)　 (6)　 of Canada.

在改写后句子的空缺处填入适当的词，使其与原句意思相符，每空只能填一词。

1.When he saw the present,he wanted to open it at once.

When he saw the present,he　 (1)　 (2)　 (3)　 open it.

10.The headmaster said that a new building ______ (build) in ten months.

9.The Greens ______ (have) supper when there was a knock at the door.

8.Hi,Linda,I heard someone ______ (sing) in the next room.

7.The rain ______ (last) for two weeks and we had no PE lessons in the open air!

6.Mother was ill.I had ______ (look after) her at home.

5.A lot of trees ______ (plant) in the past ten years.

4.At last they ______ (beat) us in the football match.

3.I am sorry to have kept you ______ (wait) so long.