2. 外语
  3. Volunteers Wanted! There have been many cases reported by residents of stray dogs going through an open window and eating the fo

Volunteers Wanted! There have been many cases reported by residents of stray dogs going through an open window and eating the fo

admin2016-01-17  82
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!
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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