---He is fifteen years younger than you.
--- ?
| A．How come | B．So what | C．How then | D．if so |
Don’t ______ a person only because he has failed in an examination.
| A．look up | B．look down |
| C．look down on | D．look up to |
Though we spent a lot, we think it _____ because we succeeded in the end.
| A．worth | B．worth being spent |
| C．worthy of | D．worthwhile |
What he said at the meeting means _______ those who had cut down the forests.
| A．to argue against | B．to argue for |
| C．arguing for | D．arguing against |
She won a Nobel Prize for her scientific ______.
| A．interests | B．achievements |
| C．behavior | D．observation |
The flowers ______ my mother, but my sister thought they were for her and took them.
| A．were intended for | B．intended for |
| C．intended to give | D．intended giving |