问题
选择题
Hidden _____ by a big tree, his house was not to be seen.
A．as it was
B．as it is
C．as it did
D．as he did
答案
A
由于隐藏在一棵大树后面，他的房屋是看不见的。as 引导的让步状语从句，要倒装；主句是过去时态，当然从句的时态要和主句的一致。
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Hidden _____ by a big tree, his house was not to be seen.
A．as it was
B．as it is
C．as it did
D．as he did
A
由于隐藏在一棵大树后面，他的房屋是看不见的。as 引导的让步状语从句，要倒装；主句是过去时态，当然从句的时态要和主句的一致。