摘要:7.A dozen ideas were considered the chief architect decided on the design of the building. A.because B.before C.whether D.unless 解析:before意为“在--之前 .引导时间状语从句.句意为“在总设计师决定这个建筑物的设计之前人们考虑了很多意见 .because引导原因状语从句.whether“是否 .引导名词性从句或让步状语从句.unless“如果不.除非 .引导条件状语从句. 答案:B

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