根据汉语完成下列句子（每空一词）。

1.Canyou                                                             （去音乐会）?

2.Mary                                                                                     （不得不帮助她妈妈）now.

3.They are going to                              （将打篮球）this afternoon.

4.Can you                                                         （看电影）with me?

5.What is Amy doing                            （在星期五）?

理性刚塑性材料