题目内容：
A recently appointed Purchasing Officer needs to learn what to look for when deciding which firms to buy goods from.
参考答案：
答案解析：
单选题：A recently appointed Purchasing Officer needs to learn what
- 题目分类：初级
- 题目类型：单选题
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根据材料，请在（7）处填上最佳答案。
根据材料，请在（7）处填上最佳答案。
第(22)处填写：
第(22)处填写：
Successful language learning is active, so successful learne
Successful language learning is active, so successful learners_____.A) wait for
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My husband used to smoke (heavy) _____, but he has given it
My husband used to smoke (heavy) _____, but he has given it up.