—___________ Lucy and Lily free next month?
—Sorry, I don’t know.
A. Is B. Do
C. Are D. Does
—Today(今天)is Alan’s birthday.
—Oh, Really? ____________, Alan!
A. Happy birthday B. Happy New Year
C. Thank you D. You’re right
___________ October 1st, we have an art festival.
A. In B. On
C. With D. At
Are you (空闲的) this evening?
How many (科目) do you have?
The book is (有用的). We all like it.