你想请求吃一支冰激凌, 你应说:A. Can you have an ice cream ? B. Can I have an ice cream ?
We to Harbin last weekend. A. go B. went C. goes
--- did you go to Canada? ---By plane. A. What B. Where C. How
Did you help them ____ their room? A. cleaned B. clean C. cleaning
Did you ___________? A. go fishing B. went fishing C. going fishing
What ______you do last weekend? A. do B. did C. does