根据上下文完成对话。(10分) A:You look happy. B:Yes. Christmas ________. A:What _______ you do _______ Christmas? B:We buy a big Christmas _________. A:Do you see _______ Christmas? B:Yes, we do.
选词填空。
(in, play sports, like, Because, go shopping, writing, climbing, doing) I like summer. _______I can swim in the lake. He is ______ an e-mail in the study. I often ______. Sometimes I ______. What are they doing? They are _______ trees.