单项选择题There is a ______ of impatience in the tone of his voice.
单项选择题They used to quarrel a lot, but now they are completely ______ with each other.
单项选择题Every means______tried but without any result.
单项选择题As a salesman, he works on a (an) ______ basis, taking 10% of everything he sells.
单项选择题It is said that a grave of a middle aged man ______ about 2,300 BC was found by some English archaeologists in the year of 2002.
单项选择题I'll show my ______ to you as soon as they come out.
单项选择题It is essential that these application ______ forms back as early as possible.
单项选择题Dr. Smith was always ______ the poor and the sick, often providing them with free medical care.
单项选择题—You'd better ______ work too hard like this. —I see. You mean ______ too hard makes one tired and ill.
单项选择题You aye a team star! Working with ______ is really your cup of tea.