Complete the sentences with suitable words . 1).The group leader, who had worked with the local people for at least five years, was very dedicated ______ her work. 2).It's well-known that working as a volunteer can lead ______ many interesting job. 3).I'm not at all sure I'm suited _______ this kind of work. 4).When I hear the name Red Cross, I associate it ______ helping people and humanitarian work. 5).The university canteen is able to cater _____ about 300 students.