_________ difficult the task may be, we must finish it on time, because we can’t meet such a precious opportunity _______ we have expected.
| A．Whatever; that | B．However; as |
| C．However; that | D．Whatever, which |
A serious study of physics is impossible _____ some knowledge of mathematics .
| A．against | B．before |
| C．beyond | D．without |
Three Long Island families forced to move by Hurricane Sandy have been ____ in fancy Manhattan apartments ever since free of charge.
| A．put away | B．put out |
| C．put up | D．put off |
He wrote a letter ___he explained what had happened in the accident.
| A．what | B．which |
| C．where | D．when |
China’s education reforms aim to better develop students’ ability to think _____.
| A．independently | B．steadily |
| C．negatively | D．particularly |
—Honey ,this is a present for your birthday.
— Ah ! A pair of shoes ,Nike! I think they __comfortably.
| A．wear | B．are worn |
| C．are wearing | D．have worn |