— Alice came back home the day before yesterday.
— Really? Where ______?
| A．has she been | B．had she been |
| C．has she gone | D．had she gone |
If we learn to appreciate _____ is new and different, we will be well-prepared for ____ the future may have in store.
| A．that; whatever | B．what; whatever | C．that; whichever | D．which ; that |
The companies are working together to create _____ they hope will be the best means of transport in the twenty-first century.
| A．which | B．that | C．what | D．who |
The most important thing ____ when ____an emergency is to stay calm.
| A．keep it in mind; deal with | B．keep in mind; dealing with |
| C．to keep it in mind; dealing with; | D．to keep in mind; dealing with |
---- Did Mary come to the party?
---- I don’t know. She _____ while I was out.
| A．might have come | B．might come | C．should have come | D．must have come |
The result is a better understanding of the world on all sides, ____ a future world_____ people from all countries are respected and different views and opinions are tolerated.
| A．lead to; that | B．leading to; that | C．leading to; where | D．to lead to; in which |