You must make your classroom ( ).A clean B cleaned C cleaning D cleans

问题描述:

You must make your classroom ( ).A clean B cleaned C cleaning D cleans

A
make...形容词.固定搭配,所以形容词 clean
翻译:你们应该使你们的教室干净
B cleaned 过去式
C cleaning 现在分词,动名词
D cleans 第三人称单数
不明白的再问哟,请及时采纳,多谢!