问题

Only since the Industrial Revolution ________ in places away from their homes or been left to raise small children without the help of multiple adults.

A:most people have worked
B:have most people worked
C:most people had worked
D:had most people worked

正确答案是：

同类题型

There are frequently reports of accidents as fireworks ______, stored or transported

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We would have avoided that terrible accident, Jack, the driver, too much that night

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