问题
选择题
The scientists told us _______ about three days from Earth to the moon by spaceship. [ ]
A. whether it takes
B. that it takes
C. if did it take
D. that did it take
答案
答案：B
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The scientists told us _______ about three days from Earth to the moon by spaceship. [ ]
A. whether it takes
B. that it takes
C. if did it take
D. that did it take
答案：B