题目内容
6．-Wow～how big the breakfast is!- and enjoy it．（ ）
| A． | Sitting down | B． | To sit down | C． | Sit down | D． | Sat down |
分析 --哇，多么丰盛的早餐啊！
--坐下并享受它吧．
解答 答案：C．根据 and enjoy it，结合选项可知意思是坐下并享受它吧．这里动词位于句首表示一种请求或命令，可知句子是一个肯定祈使句，其构成是：动词原形+其他；短语"坐下"是sit down，故选C．
点评 在学习中熟练掌握知识点，做题时先找出考点（祈使句），根据它的构成结构（动词原形开头）结合语境来选出正确的答案．
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