Last term our maths teacher set so difficult an examination problem ______none of us worked out.
| A．that | B．as | C．so that | D．which |
35．With exports _______ an important role in its economic growth now, this province has been affected by the global economic downturn．
| A．played | B．to play | C．playing | D．Play |
34．______ the danger, the man jumped into the flooding river, struggling towards the drowning boy．
| A．Regardless of | B．Instead of |
| C．But for | D．Except for |
33．I like ______ in autumn when the weather is clear and bright．
| A．this | B．that | C．it | D．One |
32．In a way I can see what you mean, even though I don't ______ your point of view．
| A．agree | B．promise | C．recognize | D．Share |
31．—Can I smoke here?
—No．On no condition ______ in the museum．
| A．is smoking permitted | B．smoking is permitted |
| C．was smoking permitted | D．smoking was permitted |