单选题I was so sleepy that I could hardly keep _____.
单选题No agreement was reached in the discussion as neither side would give way to _____.
单选题There seemed little doubt that the spread of a particular cultural trait did follow a specific regular pattern _____.
单选题_____ will this process be satisfactory.
单选题Poor health and lack of money may both be to educational progress _____.
单选题A gust of wind swirled bits of paper down the street.
单选题The multinational corporation was making a take-over_____ for a property company.
单选题Researchers have found that happiness doesn’ t appear to be anyone’ s _____; the capacity for joy is a talent you develop largely for yourself.
单选题I named my ship Jasmine, _____ my mother.
单选题The dense Belgian fogs (is caused) by the cooling of humid surface air to a relatively low temperature.
单选题Since man is able to _____ such resources as oil and metals, why can’ t he develop and harness other energy resources?
单选题You should have put the milk into the ice box, I expect it _____ undrinkable.
单选题Very few scientists with completely new answers to the world’ s problems.
单选题All the committee members said the lecture was worth _____ a second time.
单选题Desert mammals also depart from the normal mammalian practice of _____ a constant body temperature. Instead of trying to keep down the body temperature deep inside the body, which would involve the expenditure of water and energy, desert mammals allow their temperatures to rise to what would normally be fever height, and temperatures as high as 46 degrees Celsius have been measured.
单选题She could sing these songs _____ a moment’ s notice whenever she was asked.
单选题Since I could not see anything through the microscope,_____ my careful adjustment, I gave up.
单选题Combined with a liberal use of the pronoun “we” and not just “I” when describing your accomplishments, this approach can change the company’s ______ of you from a lone wolf to a selfless collaborator.
单选题The river is already _____ its banks because of excessive rainfall; and the city is threatened with a likely flood.
单选题Inflation will reach its highest in a decade across most of Asia this year, threatening to ______recent productivity gains.