Multiple ChoiceExercici 10 de 77

Mateo Rossi has (0) GUIDED climbers up Mont Blanc more times than (1) .......... else alive. Last summer he set a new record by leading a group to the summit for the fortieth time. (2) .........., he admits he may soon have to stop, because the glacier is growing too risky to cross. Mateo first worked on the mountain…