While the boy down the street, the UFO landed． A．had walked B．was walking C．ha——青夏教育精英家教网—

题目内容

9、While the boy down the street, the UFO landed．

A．had walked B．was walking C．has walked D．is walking

试题答案

9、B

相关题目

While the boy down the street, the UFO landed．

A．had walked B．was walking C．has walked D．is walking

While the boy ________ down the street, the UFO landed．

A．had walked

B．was walking

C．has walked

D．is walking

While the boy ________ down the street, the UFO landed．

had walked

was walking

has walked

is walking

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