Chọn đáp án đúng 1/ A: May i help you, sir? -B: .............................. a/ Of course . How can I help you? b/ sorry. I can't. I busy now c/ Yes, I want to go to the police station. Can you show me? d/ Yes, what can I do for you? 2/ what..........( the train/ leave) the station tomorrow? A. does the train leave B. do the train leave C. did the train leave D. the train leaves 3. My parents always.....me to be a better person. A. courage B.encourages C.encourage D. encouragement