It is not immediately clear ( ) the financial crisis will soon be over.
(A)since
(B)what
(C)when
(D)whether
One of the men held the view ( ) the book said was right.
(A)that what
(B)what that
(C)that
(D)whether
By reading the article, we know how ( ) in our daily life.
(A)will we protect the earth
(B)we can reduce pollution
(C)should we save water
(D)we must recycle things