Jenny worked hard before the final examination，and it_______．She got an A．
A．showed off B．paid off C．put off D．took off
From space, the earth looks blue.This is ________about seventy－one percent of its surface is covered by water.
| A．why | B．how | C．because | D．whether |
The only way to succeed at the highest level is to have total belief ________ you are better than anyone else on the sports field.
| A．how | B．that | C．which | D．whether |
Police have found________appears to be the lost ancient statue.
| A．which | B．where | C．how | D．what |
________I want to tell you is the deep love and respect I have for my parents.
| A．That | B．Which | C．Whether | D．What |
It remains to be seen ________ the newly formed committee's policy can be put into practice.
| A．that | B．which | C．what | D．whether |