some students are busy( )the classroom after school. A.clean B.to clean C.cleaning.
题目
some students are busy( )the classroom after school. A.clean B.to clean C.cleaning.
还要说原因噢,.
答案
选C
解析:be busy doing sth.这是一个固定搭配,“忙于做某事”的意思
翻译:一些学生放学后忙着打扫教室
举一反三
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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