求新概念二册练习册41课部答案是练习册,D部分只要信头就可以了.B和C部分,只要打括号里的,不用整句整段打下来.

41A:mustn't,needn't,don't have to,mustn't,needn't,mustn't,needn't,mustn't,needn't ,doesn't have toB:must,need,needs,Have you got to,must,Must sheC:noticed,remarked,observe,noticed,observing,remindD:The postman brought me a present yesterday-a pocket caculator!What a lovely surprise!Thank you so much for such a useful present.It is so much better than chocolates or a computer game.It will help me with my maths at school.It will help me with my shopping.And it is so small that i can carry it everywhere.It will be a very good friend to me.I will remember you whenever I use it.Thanks again!