How many more decades will have to pass ______ scientists succeed in providing a cure for cancer?

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问题 How many more decades will have to pass ______ scientists succeed in providing a cure for cancer?

选项 A、when
B、before
C、since
D、until

答案B

解析本题考查的是固定句式。when当……时候；before在……之前；since自从；until直到。还要有多少年过去之后，科学家才能够成功地发现治疗癌症的方法?

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成人本科学位英语

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How many more decades will have to pass ______ scientists succeed in providing a cure for cancer?

成人本科学位英语

Hisbusinessprosperedandhebecameapersonofmeans.Yet,despitehisgreatriches,hegavenoarmstotheneedyandnothank

Thoseareasrelyonagriculturealmost______,havingfewmineralresourcesandaminimumofindustrialdevelopment.’

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There’sagreatstoryaboutanoldFinnishwomanwho,withoutquiterealizingit,wasusinghercell-phonetoaccesstheInterne

There’sagreatstoryaboutanoldFinnishwomanwho,withoutquiterealizingit,wasusinghercell-phonetoaccesstheInterne

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