【解析】:本题考点为非谓语动词(固定用法)。allow sb. to do sth.,即“允许某人做某事”。故答案为B。 40.-\-\- Thank you for helping me with my physics. -\-\- ___. I hope you can do better in it. A. Goodidea B. See you C. I’m not sure D. You’re welcome 【...