Question

It took them two hours ____(finish) the work.

Answer 1

to finish

解释：It takes/took sb some time to do sth 花费某人时间做某事。

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有不会的可以再问我:）

Answer 2

to fininsh 该题考察的句型为 It takes/took +sb.+s.t.(一段时间）+to do sth. 意思是“做某事花费某人多长时间"。本句译为”完成这项工作花费了他们两小时的时间“