Directions: Complete the following sentences with an appropriate preposition. 1) She has a fear _______ going out in the dark. 2) All the children were laughing _______a clown ( 小丑 ), who was pretending to eat a book. 3) I'm sorry, I'm not familiar _______your poetry. 4) The men built banks of earth to hold _______the rising flood waters. 5) It was a medical error which led _______the death of the patient. 6) Her face shone _______happiness and excitement. 7) What distinguishes our company _______other companies is our excellent record of customer satisfaction. 8) Susan is responsible _______feeding the family dog. 9) Expressing our gratitude _______what we are given is a sign of good manners. 10) He gave her the good news _______a smile. 11) What he said resulted _______his being fired. 12) It seems that he has nothing to do _______the moment. 13) We were thinking about going to Germany , but _______the end we went to Austria . 14) The country is _______the verge of civil war. 15) The trouble _______the job is that the pay is too low.