41. 是萨莉来中国并和她的同学们举办音乐会。

                                  Sally                  came to China and had a concert with her classmates.

42. 第二次世界大战是在1939年爆发的。

                                  in 1939                  the Second World War broke out.

43. 在初中是周老师教我们英语。

                                  Mr. Zhou                  taught us English in the junior high school.

44. 这是我最想买的房子。

It                  the house                  I want to buy most.

45. 是这个男孩打破了窗户。

                 is this boy                  broke the window.

46. 他很喜欢看(喜羊羊和灰太狼)。我弟弟也是的。

He likes watching Pleasant Sheep and Big Wolf.                                   my little brother.