题文
—How can we reduce CO2 in our home?
—It’s easy． off your TV or computers when you’re not using them, and you’ll greatly reduce it．
| A．Turn | B．To turn | C．Turning | D．Turned |
推荐试卷
—How can we reduce CO2 in our home?
—It’s easy． off your TV or computers when you’re not using them, and you’ll greatly reduce it．
| A．Turn | B．To turn | C．Turning | D．Turned |
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