Mr. Green is ___ teacher. He is ___English teacher.
–Would you mind my using your dictionary? --__________.
— How beautiful the library is! —Yes. It ________ last year.
— It’s late now. We must go back to the ________. — Yes. I really need a good sleep.
Ge You is ______ interesting actor. He has lots of fans. A. a B. 不填 C. an
—Can you help me with my homework , David ? —______________