Tom tried to escape from the burning building.________，he was hit by a piece of burning wood and was killed.
| A．Luckily | B．Personally | C．Unfortunately | D．Happily |
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 |