It was not until the teacher had explained it three times _______ how to work out the problem.
| A．did he understand | B．had he understood |
| C．that he understood | D．that he didn’t understood |
________ their son away to college, the old couple got more room in the house．
| A．As | B．For | C．Through | D．With |
_______ that Marie was able to set up new branches elsewhere．
| A．So successful her business was | B．So successful was her business 20090908 |
C．Such successful business she had | D．So successful business had she |
— Have you ever visited the Opera House?
—Yes．When I was in Sydney, I ______ it twice．
| A．have visited | B．visited | C．had visited | D．would visit |
The man had expected to see all his relatives when in hospital, but _________ came to see him while many of his friends offered him their help.
| A．none | B．no one | C．someone | D．anyone |
_________that developed countries want to limit the development of the developing countries in the climate conference in Copenhagen.
| A．It is no possibility | B．It is no need |
| C．There is no denying | D．There is no chance |