【2013广东】—Someone is knocking at the door. Is it Ann?—It ______be her. She is giving a performance at the theater now.
Our school celebrates Tree Planting Day _______ March, 12th every year.
Our classroom is cleaner than _______. We clean it every day.
Jack and I went on ________ two-day trip to Nanjing last weekend.
Which of the following underlined parts is different in pronunciation from others?
Which of the following words matches the sound /fi:l/?