适中0.65 引用2 组卷108
火箭是被用来把卫星或者宇宙飞船发送到太空。
Rocket is________ ________ sending satellites or spaceships into space.
Rocket is
22-23九年级上·全国·课时练习
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Her daughter ________ depend on her, but now she is old enough to live by herself.
| A．used to | B．is used to | C．is used for | D．is used by |
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