______,there was doubt whether the construction was worth supporting.A.At a timeB.At one tomeC.At timesD.At other times

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______,therewasdoubtwhethertheconstructionwasworthsupporting.A.AtatimeB.AtonetomeC.AttimesD.Atothert

______,there was doubt whether the construction was worth supporting.A.At a timeB.At one tomeC.At timesD.At other times
______,there was doubt whether the construction was worth supporting.
A.At a time
B.At one tome
C.At times
D.At other times

______,there was doubt whether the construction was worth supporting.A.At a timeB.At one tomeC.At timesD.At other times
B
曾经,一度;同时
曾经,那里对这个工程是否值得支持很有疑问.

B
曾经,一度;同时
有不明白的地方再问哟,祝你学习进步,更上一层楼! (*^__^*)