--- Nice to meet you, Bai Ling.--- A. Good afternoon, John. B. Nice to meet you,too.C. How are you?
May I ____ some grapes? A. to have B. having C. have
Danny is singing a song ____ my mother. A. to B. for C. across
What would you like _____? A. drink B. to drink C. drinking
Who ____ thirsty? A. am B. is C. are
Danny is writing postcards ____his mother. A. to B. on C. in