She will tell us why she feels so strongly that each of us has a role ________ in making the earth a better place to live in.
| A．to have played | B．played |
| C．playing | D．to play |
We think that it’s love, generosity and perseverance _______make the world ________ it is today.
| A．what; that | B．that; what |
| C．which; what | D．which; that |
It seems that living green is _______ easy and affordable. A small step makes a big difference.
| A．generally | B．fortunately |
| C．hardly | D．surprisingly |
Don’t wake Doctor Thompson up unless it is a real_________; he is too tired and needs a good rest.
| A．campaign | B．emergency | C．argument | D．connection |
---The girl looks so beautiful. Is she a model or a film star?
---________. She’s a teacher.
| A．You bet | B．Forget about it |
| C．Far from it | D．Whatever you say |
The knowledge ____ in one’s childhood will make a stronger impression on him than what he learns at any other life stage.
| A．acquired | B．acquiring |
| C．being acquired | D．having been acquired |