The London fire in 1644 lasted three months ( ) it died out.A.before B.until C.when D.since

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The London fire in 1644 lasted three months ( ) it died out.A.before B.until C.when D.since
The London fire in 1644 lasted three months ( ) it died out.
A.before B.until C.when D.since

The London fire in 1644 lasted three months ( ) it died out.A.before B.until C.when D.since
answer B
until和before的区别:
until/not until是指:直到什么时候为止...其中非延续性动词用后者,延续性动词用前者.
例句:Not until my father came back did I fell asleep.
I was awake until my father came back.
注意:倒装时倒装主句,从句语序不变.改为强调句时基本语序不变.
before在...之前,常用在时间状语从句中.
常用句型:It is +( )+before...
注意:前后时态要一致,遵从主将从现原则.
翻译:1...就...It was not long before he turned against his country.不久他就背叛了他的祖国.

B
选A的话应该是The London fire in 1644 has lasted three months before it died out.

A

B,意为一直到