What disappointed us was that their determination finally ___.

Believe it or not，my sister and I are twins.—Oh，you must have had the case________you were taken for your sister.

oked in the direction of the window, but there was nothing in front ______ the deep darkness.

一Make sure you read thedirections before using the software.— .

(2013·天津，15)________I want to tell you is the deep love and respect I have for my parents.