3.Tom and Jim are twins and study in the same class,but they are very different.Tom is the m(　　　　 )careful in the class,while Jim is the l(　　　 )careful.

2.After a careful r(　　　　 ),I think you should have a better understanding of Units6-10.

1.In the evening, the street is crowded because there is lots of t(　　　 ).

61.He comes from an English-(　　　 )(speak) country.

60.Do you have a hard time (　　　 )(learn)English?

59.Learning English well will make it easier for us (　　　 )(communicate) with foreigners.

58.I would like to stay at home rather (　　　 )go shopping.

57.My teacher suggested that I (　　　 )( spend)much more time on English study.

56.The teacher encouraged me (　　　 )(work )hard at English.

55.Please listen (　　　　 ),everybody.(careful)