Ⅰ. 单项选择填空（30分）
( )1. What’s his last name? (同义替换)
A. first B. family C. middle
( )2. You needn’t think about the result. Just try your best! (同义替换)
A. don’t have to B. shouldn’t C. mustn’t
( )3. You can find ______ red pen and orange pencil on the desk in the classroom.
A. a; an B. a; a C. an; an
( )4. Please call hot line 12345 for help if you have any problems.
A. under B. at C. in
