16[单选题] It was not until they got stuck in the mud ( ) they found their car ran out of gas. A.before B.when - 查题网

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河南成教 / 当代英语语法概论

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16[单选题]
It was not until they got stuck in the mud ( ) they found their car ran out of gas.

A.before

B.when

C.so that

D.that

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