(2013·安徽，21)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
(2013·浙江，16)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·新课标Ⅰ，26)Police have found________appears to be the lost ancient statue.
A．which B．where C．how D．what
(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
(2013·陕西，20)It remains to be seen ________ the newly formed committee's policy can be put into practice.
A．that B．which C．what D．whether
(2013·山东，30)It's good to know________the dogs will be well cared for while we're away.
A．what B．whose C．which D．that
