_______ puzzles me most is that I don’t know _______ the difference between those two lies.
| A．What; that | B．It; that | C．What; where | D．It; where |
The collapse of the World Trade Center has put US economy in a difficult __________.
| A．occasion | B．case | C．situation | D．background |
What gave you the __________ of using a male actor for the part?
| A．idea | B．opinion | C．mind | D．thought |
I’m not sure what I would do if I were in your __________.
| A．condition | B．position | C．location | D．environment |
Bell’s feeling at last found __________ in tears.
| A．way | B．expression | C．answer | D．explanation |
One of the main __________ of the summit was “sustainable development”,or the question how we can continue developing the world without damaging the environment.
| A．headlines | B．themes | C．topics | D．deadlines |