单选题The girt rushed out of the room with horror _____ on her face as if she had come across a ghost.
单选题The head of the museum was _____ and let us actually examine the ancient manuscripts.
单选题The secretary found the missing sample for TEM 8 _____on the top shelf the next day.
单选题The structure of the global economy _____ that developing nations put all their efforts into raising cash—usually by exploring whatever virgin resources the industrial world might desire.
单选题In doing so the two countries have _____ their remarkable cooperation over the years.
单选题The pharmaceutical company attracted a(n) ______ amount of funding for research into a curefor cancer.
单选题The reason why so many children like to eat this new brand of biscuit is that it is particularly sweet and_____.
单选题There is no (alternative), the president must approve the bill if Congress passé it.
单选题I _____ my best thanks.
单选题Mike and I really did _____ Leigh how to play the lost game.
单选题Scientists have known how to ______ the limitless power of the sun.
单选题He has unusual insight and imagination, which has made him succeed in ______ new and fundamental principles well in advance of their general recognition.
单选题_____ his poor record in school, the board thinks that he should study hard.
单选题Modern bodies are especially ______ to cancer, because technology produces waste that inhibits their proper functioning.
单选题John _____ Mary for years, but she at last married a millionaire.
单选题When do you think the President will _____ you in office?
单选题According to the theory of evolution, all living species are modified _____ of earlier species.
单选题John said that he didn’t quite_____ and asked me to repeat what I had said.
单选题The possibilities for _____ energy sources, including solar power, wind power, geothermal power, water power and even nuclear energy promise greatly to the earthlings.
单选题Ironically, racial discrimination, which is _____ with democratic principles, has existed in America, “the greatest democracy in the world.”