摘要： turn off
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Turn off the water while you ________ your teeth or washing your hands.
| A．were brushing | B．brush |
| C．are brushing | D．brushed |
—Turn off the light when you leave, Tom?
—Mum, I see. Our world ______ energy now.
—Mum, I see. Our world ______ energy now.
[ ]
A. needs
B. is short of
C. cares for
D. wants
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B. is short of
C. cares for
D. wants
B. 
C. 
D. 