问题
选择题
You shouldn't leave the water ________ while you wash clothes; it's a waste of water．
A．run
B．running
C．being run
D．to run
答案
答案：B
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You shouldn't leave the water ________ while you wash clothes; it's a waste of water．
A．run
B．running
C．being run
D．to run
答案：B