根据句意使用恰当的词填空（注意：填入的单词数量不得多于3个）

1.Over half the world's population live in the urban areas, and this is expected to increase___________   69 per cent by 2050.

10. E-mail, as well as telephone, _____________ _ (play) an important part in daily communication.

9. ―The traffic is too heavy.  Would you like me to help you _____________________(across) the street?

8.His son has _______ (sign) up to the tour to Singapore, Malaysia and Thailand.

7.As far as I know, a lot of agricultural produce from Taiwan Island_____________ (be) sold to the mainland every year.

6.______________(Compare) the copy with the original, you will find the difference between them.

5.It's said that the power plant is now __________ (two) as large as what it was.

4.China is a country ___________(belong to) the Third World, which means her economy still needs developing very much.

3.My demand is that the information  _____________(refer to) in my report be emailed to Mr Brown without delay.

2.The town's main ________(feature) are its beautiful mosque(清真寺)and ancient marketplace.