— What do you think of Beijing?— Wonderful. It ________ changed a lot in the last few years.
—What does he ____ in the letter? —He wants to visit my school.
—Are the black shoes ____? —No. It’s ____.
—What do you want to buy? —____
—____ is your teacher? —It’s Miss Gao.
—I’m busy. I can’t go shopping with you tomorrow. —_______