As a starting point, I'll choose two use cases to test.
一开始我要选择两个用例进行测试。
Pre-Test Click a numbered button to see an expression starting with number 1.
点击数字键观看表情，从数字键1开始。
When starting the test, did you need to know the exam rules?
当开始考试时，你知道考试规则吗？
When starting the test, did you need to know the exam rules?
当开始考试时，你知道考试规则吗？
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