Hackers threatened _______ Sony release the film ‘The Interview’（also entitled ‘Killing Kim jong un’）on the coming 2014 Christmas，they ______ launch terror attacksresembling 11th Sept in 2001，
| A．should；will be | B．were to；could |
| C．were；should have | D．should；would |
[2013·浙江卷] 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 |
(2013·安徽，21)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 |
________ makes the book so extraordinary is the creative imagination of the writer.
| A．That | B．What |
| C．Who | D．Which |
Do not let any failures discourage you, for you can never tell ________ close you may be to victory.
| A．how | B．that |
| C．which | D．where |
(2013·天津，15)________ I want to tell you is the deep love and respect I have for my parents.
| A．That | B．Which |
| C．Whether | D．What |