单项选择题
（）production up by 60％，the company has had another excellent year.
A.AsB.ForC.WithD.Through
问答题 翻译：If these problems are not spotted early in their training，they can be a real danger to themselves and to their instructors.
填空题 用括号内所给词的适当形式填空：How many different（）of"can"are given in the dictionary？（mean）
单项选择题 She went to the bookstore and bought（） .
