--Wasitin1969________theAmericanastronautsucceeded________landingonthe

发布时间：2020-08-06 04:40:44

--Was it in 1969 ________ the American astronaut succeeded ________ landing on the moon?  
--Yes, that’s right.  A.when; onB.that; onC.which; inD.that; in

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D解析空一形成强调句型，空二体现短语succeed in doing sth．。
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