Welcome to computer-based English Listening and Speaking Test. CELST is a module of National Matriculation English Test (Guangdong Version),consisting of three parts. Part A is Reading Aloud. In this part,you are required to watch a video clip and read after the speaker in the video. Part B is Role Play. In this part,you are required act as a role and complete three communicative tasks:listen to a speaker,ask the speaker three questions and then answers five questions from the computer acting as another role. Part C is retelling. In this part, you are required to listen to a monologue, and then retell what you have heard in your own words.