If the managerthe files more carefully, he would have known that wea

游客2023-10-21 15

问题 If the manager______the files more carefully, he would have known that we______an enormous effort to complete the project.

选项 A、checked: have made
B、had checked: have made
C、has checked: made
D、had been checked: are making

答案 B

解析句意：如果经理能更仔细地检查文件，他就会知道我们为完成这个项目付出了巨大的努力。此句是if引导的虚拟条件句，若主句是过去将来完成时，从句则用过去完成时。

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If the manager______the files more carefully, he would have known that we______a