When asked to explain _____ he did to make his students so fascinated with his lessons, the teacher paused and thought deeply.
| A．what was it that | B．that what it was | C．what it was that | D．what was it |
Some people said _____ that Copenhagen Conference 2009 didn’t reach any official agreement.
| A．what was a pity | B．what a pity it was |
| C．how pity was it | D．it was what a pity |
Only when you ______ what you have learned to practice ______ say you have made it.
| A．adapt; you can | B．apply; can you | C．use; you can | D．adopt; can you |
Our team’s success was ________ the efforts of Mr. Mark, who is ________ arrive here in ten minutes.
| A．because; due to | B．because of; about to | C．due to; due to | D．as a result; going to |
________ several times, Bill made up his mind not to watch late night movies any more.
| A．To be blamed | B．Having blamed | C．To blame | D．Having been blamed |
One must have a wide range of knowledge to ________ the changing market.
| A．meet | B．count | C．fit | D．Accustom |