---When did the terrible earthquake in Japan happen?

----It happened _________the afternoon of March 11, 2011.

 Lily thinks young people can learn how to care for others 　　　　 keeping pets.

A．at               B．in                C．by               D．on

Dear Joan,

How are you? It's very nice of you to write   1  me. From your letter I   2 a lot about you and your school. Now   3  me tell you something about me and my school.

I am thirteen years old, I am in Class Two, Grade One at Changjiang Middle School. My father is a   4  . He teaches    5  English. My mother is a doctor. I  6 early every morning and then   7  English at home.

Our school is very big. It has 3,000 students and 250 teachers.   8  the teachers and the students work hard.  After school, I like playing   9  volleyball with my classmates. Please come and have a look   10 our school if you are free.

Please write to me soon.

Millie

Sandra was a student ____ the age of 21.

It’s important ______ people to understand each other.