Without that temporary working-site, the student __________(不可能按时完成设计).couldn’t

游客2024-02-22  21

问题 Without that temporary working-site, the student __________(不可能按时完成设计).

选项

答案 couldn’t have finished the design on schedule/on time

解析 两个考查点:① without后接条件,表示假设没有该条件,是一种对过去情况的虚拟语气,主句谓语用 couldn’t have done。② 短语表达“按时”为on schedule/on time。
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