During his stay in the USA, Yao Ming said that he would go back to China ______ he was needed.
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. ---____________.
Tom ______ plays football because he doesn’t like it.