根据短文内容和所给中文提示，在空白处写出单词的正确形式。每空限填一词。

    We're on(假期) in Paris. After we(到达), Aunt Joan and Uncle Pete(遇见) us at the airport. We went to the Louvre Museum yesterday. We had dinner in a(法国的) restaurant in the evening. This morning, we took a(散步) and I(买) a present. We(乘坐) the Paris underground to the Eiffel Tower in the afternoon. We waited in line for an hour and then we went to the(顶端). We waited(直到……为止) all the lights were(在使用中；开着的). Tomorrow we're going to take a boat tour on the River Seine.