Manyman-madesatellites____byChi

发布时间：2020-07-27 20:51:02

Many man-made satellites ____ by China. We are all very proud.A.sent upB.sent intoC.were sent upD.were sent into

网友回答

C解析send up发射，本句主语为动作的承受者，因此用被动语态。
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