10 10.6.14 Choose the correct preposition. Check in Appendix II. 1 He's afraid at/of moths. 2 Xenophobia is the word for the fear of/for strangers. 3 An effective psychologist must be sensitive to/in the needs of the patient. 4 It's natural to worry about/at dangers that are realistic, but a phobia goes far beyond this. 5 Treatment of a phobia can often lead to/ about a permanent cure.​