题目内容：
——Has Peter handed in his paper yet？——I’m not sure．He__________on it last week．
参考答案：
答案解析：
单选题：——Has Peter handed in his paper yet？——I’m not sure．He_______
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——I’m not sure．He__________on it last week．
——I’m not sure．He__________on it last week．
请在（40）处填上最佳答案。
请在（40）处填上最佳答案。
请在（39）处填上最佳答案。
请在（39）处填上最佳答案。
根据下列材料请回答下面的题目：Psychologists are finding that hope plays a s
根据下列材料请回答下面的题目：Psychologists are finding that hope plays a surprisingly vital ro
I________________________(宁愿加入你们去做义工)thangotothebeachforahol
I________________________(宁愿加入你们去做义工)thangotothebeachforaholiday.
Questions 30 to 32 are based on the passage you have just he
Questions 30 to 32 are based on the passage you have just heard.30. A．To satisfy