【B6】
A．between
B．during
C．across
D．throughout
请帮忙给出正确答案和分析，谢谢！
【C2】A．contraryB．oppositeC．acrossD．further
A．betweenB．underC．within
A．betweenB．untilC．fromD．for
Animals think much ____ building their houses.A: asB: duringC: whileD: because
【C20】A．AfterB．DuringC．OverD．Of
【C3】A．betweenB．amongC．ofD．from
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