问题描述：
单选
1.The big house,( ) a storage house for our family,was pulled down by the strong wind last night.
A.serving as B.served as
2.（） his work,he has no time to go back home.
A.devoting to B.devoted to
分别选什么?是什么考点?
1.The big house,( ) a storage house for our family,was pulled down by the strong wind last night.
A.serving as B.served as
2.（） his work,he has no time to go back home.
A.devoting to B.devoted to
分别选什么?是什么考点?
问题解答：
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