选择恰当单词或短语补全下列句子。 A a variety of B. help out C. extra D .allow E. financial F. tend G barrier H. be regarded as I. cope with J. responsible 1. Which sales manager is ___________ for the European market? 2. This shop sells __________ toys. 3. She's always willing to ______ when we're short of staff 4. They have to _____ a mountain of problems 5. Breakfast is provided at no ________ charge 6. This can ____ a great achievement 7. His parents won't ________ him to stay out late 8. Poor health may be a _____ to success 9. The company has enormous_______ firepower 10. I ______ to go to bed earlier during the winter