问题
选择题
We should always keep the classroom ________ and tidy.
A．cleaning
B．cleaned
C．to clean
D．clean
答案
答案：D
题目分析：句意：我们应该总是保持教室干净整洁。keep+形容词，使------保持某种状态。结合语境可知选D。
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We should always keep the classroom ________ and tidy.
A．cleaning
B．cleaned
C．to clean
D．clean
答案：D
题目分析：句意：我们应该总是保持教室干净整洁。keep+形容词，使------保持某种状态。结合语境可知选D。