Our monitor didn’t see all the students, because was ill and didn’t come to school today.
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/?
--- I am going to Beijing next month. ---____________.