The problem is ________ sometimes when we are given something on a constant basis, we start to take them for granted and forget being thankful for what we already have.
A．that B．how
C．where D．which
Life is ten percent ________ happens to you and ninety percent ________ you respond to it.
A．which; how B．what; what
C．that; that D．what; how
We believe ________ we can find out the wonder drugs to H7N9 bird flu.
A．when B．whether
C．what D．that
The Frenchman pointed to the spoon and asked me ________ to call that in Chinese.
A．whether B．where
C．which D．what
We have realized ________ she is expecting is just an opportunity to test her ability.
A．that B．which
C．what D．where
—Haven't I seen you some place before?
—Yes. That's ________ I don't go there anymore.
A．because B．how
C．why D．when
