3．
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。
Karen and her best friend Dorothy were happy because they, would go to London for vacation this weekend. They (buy) their plane tickets and booked the hotel two weeks ago.
The (excite) weekend came. Karen and Dorothy arrived London Heathrow Airport early on Saturday morning. They took the bus from airport to the hotel. The hotel was great and there were a lot of (tree) around it. Karen and Dorothy were tired they got to the hotel, so they had some sleep first. After about one and a half hours, they went out and took the sightseeing(观光)bus. They (enjoy) the two-hour bus trip very much. After that, Karen and Dorothy went to a restaurant. They had a great dinner there. After dinner, they (take) a walk around the hotel and enjoyed the night streets.
On Sunday the exciting trip started again. They did some (shop). They visited the museums and took a lot of (photo). It was a really excellent weekend!
