【題目】After the experts ________ a whole year on the traffic issue, they finally came to a solution.
A.had spentB.were spendingC.have spentD.would spend
導學教程高中新課標系列答案科目：高中英語 來源： 題型：
【題目】LED lighting, even in most developed countries, ________ long enough to know its effects across the human lifespan.
A.has not been usedB.was not used
C.had not been usedD.is not being used
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【題目】Everyone has advised you not to go on a diet, _________?
A. has heB. don’t theyC. have theyD. haven’t they
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【題目】At that moment I had a hint of the truth: it is by growing our hearts with love we find our happiness.
A.thatB.whatC.howD.when
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【題目】Diana got lost. She knew she was ________ in the park, but not exactly where.
A.nowhereB.somewhereC.anywhereD.everywhere
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【題目】Twenty years ago, hardly ________ that they could pay for things with their smartphones.
A.people realizedB.realized peopleC.did people realizeD.people did realize
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【題目】Why is Ann so upset?
A.She failed one of her exams.
B.She is worrying about other lessons.
C.She has no time to do her math homework.
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【題目】Lady Wang _______ as a secretary for five years in the insurance company before she joined us.
A.has workedB.has been workingC.had workedD.would be working
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