答案:is→were

2I attempted buy one of the paintings by Picasso,but it cost too much.

答案:attempted后加to

3A great number of money is going to be spent on preventing the river from being polluted.

答案:number→deal

4On the another hand,traditional Chinese painting will take a longer time to learn than oil painting.

答案:another→other

5Not all the couples are allowed to adapt the children whose parents died in the earthquake.

答案:adapt→adopt

三、用下列词组的正确形式完成句子

aim at　scores of　as well as　in possession of　by coincidence

in one's attempt　concentrate on　a great deal of　have faith in　would rather

1Li Hong is such a girl who can 　　　　　　　　her attention 　　　　　her study for a whole class.

答案:concentrate;on

2I 　　　　　　　　the tree but hit the car by mistake.

答案:aimed at

3He has been a doctor for ten years and we 　　　　　　　　　　　　　his ability.

答案:have faith in

4An old worker was found 　　　　　　　　　　　　a painting of the Tang Dynasty.

答案:in possession of