1.   For every five people who have reached the summit of Everest, one has died.

2.   He finally reached the summit of Everest and secured his place in history.

3.   It took the climbers four hours to reach the summit.

4.   The climbers will make another attempt to reach the summit today.

5.   They were killed while attempting to reach the summit.

6.   They were gambling on reaching the summit before the snow started falling again.

7.   We reached the summit at last.

8.   The climbers failed to reach the summit.

9.   They failed to reach the summit, but they made a gallant attempt.

10.   Bad weather precluded any further attempts to reach the summit.