问题
选择题
7. Our older generation used to advise us not to build ____ in the air, but that’s not realistic at all.
A．attics
B．castles
C．building
D．Rostrums
答案
A
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7. Our older generation used to advise us not to build ____ in the air, but that’s not realistic at all.
A．attics
B．castles
C．building
D．Rostrums
A