题目内容
He ________ his head, wondering how to solve the problem.
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As soon as the boy was able to earn his own living he ________ his parents’ strict rules.
The helicopter a light plane and both pilots were killed.
To ________ is to save and protect, to leave what we ourselves enjoy in such good condition that others may also share the enjoyment.
Put on dark glasses or the sun will ________ you and you won’t be able to see.
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