问题
选择题
It was in 1969 ______ two Americans went to the moon by spaceship.
A．that
B．before
C．when
D．Since
答案
答案：A
题目分析：考查强调句型。句意：正是在1969年，两个美国人乘坐飞船到达了月球。It was... That是强调句型，意为“正是，恰好”，去掉后不影响句意。故选A。
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