1 . _____the help of the teacher,I realized the importance of English,so I decided to learn English well. (用适当的单词填空)

2 . Thanks ______ the success of the business，we can afford a house this year. (用适当的词填空)

3 . The teacher apologized ________ late.

A．to his students to arrive	B．for his students to arrive
C．to his students for arriving	D．for his students for arriving

4 . 由于空气污染，人们容易得病。(根据汉语意思或者提示，完成句子)
People are easy to fall ill _________________ air pollution.

5 . The new product is beyond all praise and has quickly taken over the market ________ its superior quality.

A．in terms of	B．on account of
C．on behalf of	D．on top of

6 . The new product is beyond all praise and has quickly taken over the market ____ its superior quality.

A．in terms of

B．on top of

C．on behalf of

D．by virtue of

7 . 阅读下面材料,在空白处填入适当的内容或括号内单词的正确形式(不多于3个单词)
There was a young flower in the desert     1    all was dry and sad looking... It was growing by itself,    2    (enjoy) every day and saying to the sun, "     3    shall I be grown up?" And the sun would say "Be    4    (patience) ! Each time I touch you, you grow a little." She was so pleased,     5    she would have a chance to bring beauty to this corner of sand. And this is all she wanted to do - bring a little bit of beauty to this world.
    6    one day the hunter came by and stepped on her. She was going to die and she felt so sad, not because she was    7    (die), but because she would     8    (ever) have a chance to bring a little bit of beauty to this corner of the desert.
The great spirit saw her, and was listening. - Indeed, he said... She should be living... So he reached down and touched her -- and gave her    9    second life.
Finally she grew up to be a beautiful flower. And this corner of the desert also became so beautiful because    10    the little flower.