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  3. Volunteers Wanted!There have been many cases reported by residents of stray dog

Volunteers Wanted!There have been many cases reported by residents of stray dog

游客2025-06-14  16
问题 Volunteers Wanted!
There have been many cases reported by residents of stray dogs going through an open window and eating the food a family was preparing to have for dinner. These dogs just didn’t magically appear out of thin air. A majority of them were______household pets. Our community must______from abandoning their unwanted pets.
We have recently begun an adoption program to get the problem______control.
We would like volunteers to come out and help us. Call us at 080-234-7787 for further information. Please remember! It’s everybody’s problem! [br]
选项 A、before
B、once
C、soon
D、shortly
答案 B
解析 词性：副词1．本题考查be动词后接副词的用法。2．虽然before也用作副词，但只用在末尾，如twodays before：两天前。3．once用作副词时表示“曾经”，原句意思是“大部分的流浪犬曾经也都是宠物”，因此once是正确答案。
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