Choose the best answer to complete the following sentences. He looked so confident as if he _________ here before. A: was B: has been C: had been

To which of the following is the author likely to agree? A: Patients should control the hours of their doctors. B: Pilots and truck drivers work in safer environments than that of doctors. C: Patients are facing more risks if their doctors are not adequately-rested. D: People concerned have the right to remove their doctors from their positions.

To which of the following is the author likely to agree A: Pilots and truck drivers work in safer environments than that of doctors. B: Patients can choose the sleeping hours of their doctors. C: Patients are facing more risks if their doctors are not adequately-rested. D: People concerned have the right to remove their doctors from their positions.

For a man , a well-tailored suit, polished shoes and a tie will help you present professionally and( ). A: confident B: clear C: clearly D: confidently

The words and numbers in the table should be clearly ______. A: readable B. reading B: read D. to read C: ：A D: It is not ______that the boss will agree with our plan. E: liked B. likely F: to like D. like G: ：B H: She stepped ______ onto the stage and began to sing. I: with confidence B. confidently J: confident D. both A and B K: ：D L: A downpour (暴雨) of rain ______ the children’s bonfire (篝火).