.
“Meals on wheels” is a free service, ____ hot meals are delivered to elderly people who may not be able to move around very easily.
| A．that | B．which | C．where | D．what |
–I _______ as the manager in this company.
–May I know since when?
| A．worked | B．had worked | C．have worked | D．am working |
Some foreign media predict that all these reforms will make China a strong and powerful country, ______ that can surprise the whole world.
| A．it | B．one | C．the one | D．which |
The building ______ roof we can see from here is a hotel.
| A．which | B．that | C．what | D．whose |
We have already said a good deal about the various problems _______ the war.
| A．trying out | B．dating back to | C．appealing to | D．relating to |
Theory is ______ in that it can provide a direction for practice.
| A．valuable | B．typical | C．religious | D．narrow |