【2012北京】—May I speak to the headmaster?—He ____ a meeting now. Can I take a message?
—How many times ________ Li Yan ________ to the Great Wall?—Twice.
— I suggest buying her a Teddy Bear for her birthday. —_____someone else brings the same present?
—Could you please tell Lucy that I want to talk to her? —Sure, I will tell her as soon as she _______ back.
—Can I my hair colored, Mom? —No. As a student, you ________ do that.
—Look, there_____ many birds around here, but now we hardly see them. What a pity!—Yeah! The air pollution has caused the problem!