聽短文，回答問題。
（1）The Greens come from

.
A.England
B.the USA
C.Canada
（2）Mr.Green may work

in America.
A.on a farm
B.in a school
C.in a factory
（3）The Greens are going to stay in China for

.
A.two weeks
B.a month
C.a week
（4）With the help of

，their friends in America can know more about China.
A.Chinese pictures
B.Chinese cars
C.Chinese schools
（5）After the visit to Shanghai，they are going to

.
A.America
B.Zhejiang
C.Jiangsu