Students Eyes in the class

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(-_-) (-_-) (-_-) (-_-) (-_-) (-_-) (-_-) (-_-)
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When teacher say tomorrow will be exam
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(O_O) (O_O) (O_O) (O_O) (O_O) (O_O)
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During the exam
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(→_→) (←_←) (→_→) (←_←) (→_→) (←_←)
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When invigilator comes in
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(↓_↓) (↓_↓) (↓_↓) (↓_↓) (↓_↓)