Every possible means ________ to prevent water pollution, but we still have not enough clean water.
发布时间:2021-08-12
A.has been used
B.are used
C.were used
D.have been used
试卷相关题目
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A.therefore
B.instead
C.in advance
D.however
开始考试点击查看答案 - 2Pollution is ______bad ______many rivers are full of chemicals and kill sea creatures.
A.so ; that
B.such ; that
C.too ; and that
D.quite ;which
开始考试点击查看答案 - 3“It's a secret….” he lowered his voice and whispered ________ no one could overhear it.
A.in case
B.even if
C.so that
D.as if
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A.the boys ran
B.ran the boys
C.did the boys ran
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A.stands
B.stand
C.stood
D.standing
开始考试点击查看答案 - 6We are now enjoying the cool air in the room. ________, the farmers are harvesting crops in the hot sun.
A.Therefore
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开始考试点击查看答案 - 7The silence in the dark building was scaring. No sound and voice ________ heard at that moment.
A.were
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A.that
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开始考试点击查看答案 - 10It was after careful consideration ________we decided to take action.
A.which
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