一、单项选择(共20分，每小题1分)
( ) 1. A place to live in space is _________.
A. a space station B. an apartment C. a rocket
( ) 2. 10 years ago， _________ only one classroom building in our school.
And in 10 years， _________ five classroom buildings in our school.
A. there will be, there are B. there was, there will be C. there will be; there was
( ) 3. He goes to work early on workdays _________ Saturday and Sunday.
A. except B. besides C. and
( ) 4. My friends always get better grades than I do. What should I do?
A. Maybe you should be more friendly to the teachers.
B. Maybe you should ask your parents for help.
C Maybe you should work harder.
