27. You should write the first letter of the sentence _____ capital one.
| A．on | B．with | C．in | D．At |
___________ you've got a chance, you might as well make full use of it．
| A．Now that | B．After | C．Although | D．As soon as |
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 |