She doesn’t care about what others think; She’s not at all ______ to other people’s feelings.
| A．common | B．sensitive | C．peaceful | D．painful |
________ in 1636, Harvard is one of the top universities in the United States.
| A．Being founded | B．It was founded | C．Founded | D．Founding |
The waste from the paper factory has poisoned all the fish to death--- _____ is left.
| A．nothing | B．no one | C．none | D．not anything |
You _____ her in her office last Friday, she’s been out of town for two weeks.
| A．needn’t have seen | B．must have seen |
| C．might have seen | D．can’t have seen |
Our success was largely _____ the good cooperation of all team members.
| A．because | B．result from | C．due to | D．thanks to |
. In our country, it’s a practice that workers have _____ for the Spring Festival.
| A．a week off | B．a week’s off | C．a weeks’ off | D．a week leave |