Many countries have a lot of rockets into space. A. sentB. spentC. flownD. made

发布时间：2020-08-23 08:27:29

Many countries have      a lot of rockets into space.
A. sent
B. spent
C. flown
D. made

网友回答

(答案→)A. sent
B. spent
C. flown
D. made
解析：句意：很多国家已经把许多火箭送入了太空。send意为“送”, spend 意为“花费”，flow 意为“流动”，make意为“制造”。
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