When the spaceship traveled above，______new looking earth appeared before us，______earth that we had never seen before.
| A．a；the | B．the；an | C．/；the | D．a；an |
It is in this very village ______ she will build her first school, ______ inspires everyone to help her.
| A．where; that | B．that; which |
| C．that; that | D．which; that |
Mary was only too ready to help others, seldom, ______ refusing them when they turned to her.
| A．if never | B．if not |
| C．if any | D．if ever |
Mr. Wang made up his mind to devote all he could ______ his oral English before going abroad.
| A．improve | B．to improve |
| C．improving | D．to improving |
Influenza HINI is an illness that can result in death unless ______ in time.
| A．treat | B．to treat |
| C．treating | D．treated |
MSN, ______ you can chat with your friends, makes communication easy.
| A．why | B．which |
| C．that | D．where |