根據(jù)漢語意思用英語完成句子，將答案寫在橫線上．

在很多國家狗常常做向?qū)В?/P>

Dogs are often ________　________ guides in many countries．

答案：used,as
解析：

考查被動語態(tài)的運用，使用be used－as短語．


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科目：初中英語 來源：河北省模擬題 題型：填空題

根據(jù)下列句子的意思及所給的漢語、英語及首字母提示，寫出空缺處詞語的正確形式。
1. He was so sleepy that he could h________ keep his eyes open.
2. Tom is ________(thin) in his class.
3. All the ________(thief) have been caught.
4. I can't buy that book. I have ________(用完) my money.
5. My mother often ________(鼓勵) me to be brave when I was very young.

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