问题
选择题
Was it in 1969______ the American astronaut succeeded ______ landing on the moon?
A．when; on
B．that; on
C．when; in
D．that; in
答案
答案：D
考查强调句及介词。前一空考查强调句it was … that …；succeed in doing成功做某事，故选D。
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