问题
选择题
Do you know ____ that made it possible for them to continue their project?
A．what it was
B．what was it
C．it was what
D．it what was
答案
答案：A
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Do you know ____ that made it possible for them to continue their project?
A．what it was
B．what was it
C．it was what
D．it what was
答案：A