The time has come _____ we make extensive use of nuclear energy.
更新时间:2024-11-24 03:02:43 A、WhenA
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Didyouattendthemeetingyesterday____Marytalkedalot?
The bike ____ he went to school was stolen last week,which made him feel sad.
As is known to us all,the age_____children can go to school is seven.
Theaeroplane____shewastravelingwasdelayedforthreehoursatleast.
Humanbeingsaresuperiortoanimals_____theycanuselanguageasatooltocommunicate.
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