单项选择题
They have a very big budget. They（）five percent of their profit to that department.
A. thank B. commit C. contribute D. make
单项选择题 A:Do you know our company at all? B:No, it's the first time（）here.
单项选择题 A:Im afraid Mr. Watson is not in the office at the moment. B:（）
单项选择题 We employ about seven hundred full-time people. But we（）causal staff when we need them.
