It took them three years to build the bridge.(改为同义句)They () three years () the bridge

问题描述:

It took them three years to build the bridge.(改为同义句)
They () three years () the bridge

spent on
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spent , building
Spent: 因为是花费时间
句型: spent time\money doing sth

They (took) three years (to build) the bridge
They (spent ) three years (to build) the bridge

spent on

spent ,building