The lift in that tall building went wrong and got trapped _____ floors. People in it had no way to get out.
| A．in | B．between |
| C．among | D．on |
I've visited a lot of different places and stayed in lots of different hotels, but none of them____________ this one．
| A．makes | B．beats | C．compares | D．matches |
The visiting Minister expressed his satisfaction with his talk,__________ that he had enjoyed his stay here．
| A．having added | B．to add | C．adding | D．added |
--Can I help you?
--I'd like to buy a present for my father's birthday, ___________ at a proper price but of great use．
| A．one | B．anyone | C．that | D．everything |
I just don't understand_____________ that prevents so many Americans from being as happy as one might expect．
| A．why it does | B．what it does |
| C．what it is | D．why it is |
My pain ___________ obvious the moment I walked into the room, for the first man I met asked me pitifully:" Are you feeling all right?"
| A．must be | B．must have been |
| C．could be | D．could have been |