I just wonder ________ that makes him so excited.
| A．why it does | B．what he does |
| C．how it is | D．what it is |
.
_________ about wild plants that they decided to make a trip to Madagascar for further research.
| A．So curious the couple was | B．So curious were the couple |
| C．So were curious the couple | D．So was the couple curious |
.
36. No one knows _________ prevented the rumor from spreading.
| A．what was it that | B．what it was that |
| C．how it was that | D．why it was that |
.
. _________advertisements are of great help, I don’t think we should entirely rely on them.
| A．Since | B．While | C．Once | D．As |
.
I feel honored to introduce Mr White to you, without _________consideration our project
would have ended in failure.
| A．whom | B．that | C．whose | D．who |
.
To our surprise, that top student in our class failed _________a scholarship.
| A．obtain | B．obtaining | C．to obtain | D．obtained |