July 1st of this year is ______ birthday of CPC (中国共产党).A. ninety B. the ninety C. the ninetieth
exciting news it is!
Mike _______ his computer and checked his e-mail.
— Lucy, do you like _______? — Yes. Most of my clothes are _______.
— What did your cousin do last Sunday? — She _________ shopping with Lily.
Which floor is your classroom ________?