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【单选题】
The field of molecular gastronomy was invented by Herve This and Nicholas Kurti.
A.
necessary
B.
unnecessary
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参考答案:
参考解析:
刷刷题刷刷变学霸
举一反三
【单选题】The source of the information was never identified by anyone.
A.
necessary
B.
unnecessary
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【单选题】The letter was sent to me by a distant relative I had never met.
A.
necessary
B.
unnecessary
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【单选题】The final episode of the television show was watched by over 20 million viewers.
A.
necessary
B.
unnecessary
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【单选题】My car is going to be repaired by the mechanic tomorrow.
A.
necessary
B.
unnecessary
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【单选题】I can't remember where the article was first published by someone.
A.
necessary
B.
unnecessary
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【单选题】My ring was found by the cab driver that was so nice to us the other day.
A.
necessary
B.
unnecessary
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【简答题】Active: The mail carrier has delivered the mail already. Passive: The mail ( ) alread.
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【单选题】The noise made by the train going by kept me up all night.
A.
necessary
B.
unnecessary
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【简答题】Active: The principal will present awards at the meeting tomorrow. Passive: Awards ( ) at the meeting tomorrow by the principal.
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【简答题】Active: I thought someone was watching me. Passive: I thought I ( ) .
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