4.All the (　　　　　 )of the new world are from Europe.(discover)

3.He is an (　　　 )scientist who works in USA.(India)

1. The weather is too hot.I can’t fall (　　　 )(sleep)and keep (　　 )(wake)all the time.

her of the twins (　　 )(be) going to USA next year.

60.Please pay attention (　　　 )the mistakes you have made.

59.His parents take pride (　　 )him,their only excellent son.

58.At last he chose to go to USA instead (　　 )　 Japan (　　　 )further study.

57.I gave (　　　 )a beautiful present to my mother on Mother’s Day.

56.You should learn to make friends (　　　 )your classmates at school.

55.(　　　　 )English,he is aslo good at math.

54.He takes an interest (　　　 )collecting stamps.