There are ___ floors in the building and my home is on the ____ floor.
| A．twenty; fifteenth | B．twenty; fifteen |
| C．twentieth; fifteen | D．twentieth; fifteenth |
–Is this orange radio _____?
-- No, it belongs to ______.
| A．yours, me. | B．yours, his |
| C．her, him | D．yours, her |
______ book on the desk is _____ useful one.
| A．The, an | B．A, a |
| C．The, a | D．The, / |
–How many _____ are there in your school, Tom?
-- Two.
| A．Englishmen | B．English |
| C．Englishman | D．England |
He made up his mind to devote his life pollution happily.
| A．to prevent, to live | B．to prevent, from living |
| C．to preventing, to live | D．to preventing, from living |
When I am a bad mood, I like wearing orange to .
| A．in; pick myself up | B．on; cheer myself up |
| C．in; cheer myself up | D．on; wake myself up |