阅读下面材料，在空白处填入适当的内容（1个单词）或括号内单词的正确形式。

    Today Helen went on a school trip. She visited the science museum it was really interesting. She (get) there so fast by train. She saw some farms and villages the way. At the museum, she (learn) a lot about robots. She didn't know they   (can) play chess with people. It was so cool! Then the guide taught her  to make a model robot. She took a lot of great (photo), too. After that, she went to the shop and bought some  (love) things for her parents.  (it) weren't expensive. All in all, it was  exciting day.