题目内容：

It was in 1969___two Americans went to the moon by spacesship.A.when B.that C.at that time
D.just then
这道题我感觉考定语从句
选A 做的是时间状语
希望会的人解答

优质解答

B
强调句
It is（was）+强调部分+that…….
判断：去掉it is（was）和that 后,依然是完整的句子,所以是强调句.