用方框内所给词或词组的适当形式填空，每词只能用一次。

1．The ________ of this contest will get a computer as a prize .

2．They _________ an oil field in the west of China last year.

3．You should read at __________ ten pages of the book every day.

4．The population of China ____________ about 1.4 billion.

5．The beach is a good place ____________.

6．Lucy has no problem ____________ the task on time herself.

7．It's good to see foxes because they are _______ during the night, and we can see them walking.

8．He _______ the cup and broke it.

9．--- This line is moving ______, isn’t it?    --- Yes, it is.

10．It’s dangerous __________ the street when the light is red.