The floor is very dirty. Will you please ______?
— 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 ? —______________
Tom went to work late the snowstorm.
—Where is Mr Green now ? I haven’t seen him for a few days . —He _____ to Hong Kong .