He's got Buckley's chance of finishing his exams this year.他今年不可能完成考试。She wanted more time to finish the test.她希望多给点时间完成考试。You have two hours to complete the test, starting now.现在开始，你有两小时的时间完成考试。They failed to complete the exam in the allotted time.他们没能在指定时间内完成考试。