—Do you mind my opening the window? It’s a bit hot in here.
— , as a matter of fact.
| A．Go ahead | B．Not at all |
| C．Yes, I do | D．No problem |
The project requires close teamwork. ________ will be achieved unless we work well together.
| A．Nothing | B．Anything |
| C．Something | D．Everything |
(2013·全国Ⅱ，14)It's an eitheror situation—we can buy a new car this year or we can go on holiday but we can't do ______.
| A．others | B．either |
| C．another | D．both |
They put forward a lot of plans at the meeting, none of________ carried out in their work.
| A．which | B．what | C．that | D．them |
You may depend on________ that they will look after your daughter when you are away.
| A．them | B．this | C．her | D．it |
（2013·陕西卷）Although Rosemary had suffered from a serious illness for years, she lost ________ of her enthusiasm for life.
| A．some | B．neither | C．none | D．all |