问题
选择题
Look, what a dirty classroom we have got! It really wants ______.
A．clean
B．cleaned
C．cleaning
D．to clean
答案
答案：C
题目分析：考查动名词做宾语：want doing="want" to be done需要被做，句意：看，我们的教室多脏啊，真需要打扫了。选C。
点评：want/need/require后面都是可以接doing或to be done表示需要被…