From space，the earth looks blue.This is ________ about seventyone percent of its surface is covered by water.
| A．why | B．how |
| C．because | D．whether |
It was _____ weather that everyone wanted to go outing .
| A．so fine | B．such fine | C．so a fine | D．such a fine |
It is difficult for us to learn a lesson in life _____ we’ve actually had that lesson .
| A．until | B．after | C．since | D．when |
The rent is high , ____ the house is quite satisfactory .
| A．otherwise but | B．but otherwise | C．and otherwise | D．otherwise and |
At the age of fourteen , Betty went to a _____ girls’ school along with her sister .
| A．Near | B．nearby | C．close | D．neighbor |
Most people prefer _____ mony _____ it .
| A．spending ; to earning | B．to be spending ; to be earning |
| C．to spend ; to earn | D．having spent ; to having earned |