单项选择题
"Can you ask your neighbors for help" "I'm afraid not. I （） know any of them."
A. hardly B. just C. seldom D. only
单项选择题 The noun bear and verb bear are（）
单项选择题 You shouldyour stupid ideas, otherwise you'll regret in the future.()
单项选择题 原位核酸分子杂交用核酸探针有（）
