---What can I do for you, sir?--- I want _______apple juice and _____apple.A./; an B. an; an C. a; a
When did you _________ the Chinese Young Pioneers?
—______ students use pens and papers ? —No, _________.
Do they play _______ at 3:00 on Wednesday ?
Would you please send the pencil ________ me ?
The teachers have _______ holidays and lots of _______ time.