题目内容
Some of your suggestions have been _________, but others have been turned down as they are not workable.
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All of a sudden, he lost his interest in engineering, and ______ his attention on learning a foreign language.
If a company decreases health benefits for its employees, they should increase salaries to _______ the workers.
I failed to pass the exam although I had worked very hard. I should ______ the causes of my failure.
When you do yoga, try to _____ your breathing. Don't breathe too fast and make sure you breathe only through your nose.
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