最佳答案:

　　12345BD

C

C

C

最佳答案:

　　1617181920BADDA2122232425BCCAB

最佳答案:

　　2627282930DBCDD3132333435CADBC

　　36、The summer vacation lasts for two months.

　　37、Yes，they can.

　　38、Peter worked at a gasoline station.

　　39、He sold gasoline and repaired cars.

　　40、He made money for the university tuition.

最佳答案:

　　41、is

　　42、school

　　43、speak

　　44、Chinese

　　45、working

　　46、friendly

　　47、children

　　48、live

　　49、on

　　50、talking

最佳答案:

　　One possible version：

　　Last weekend I went to a Beijing Hutong with my family.It was a sunny and warm day.In the morning we took a lot of photos of the beautiful Hutong and talked with the people who live there.They were really friendly.In the afternoon，we went shopping and bought something special.Then we ate Beijing Duck at a famous restaurant.It was really delicious.Tired but happy，we took the subway back home.What a great Weekend！