Fill in the blanks with A and An
Fill in the blanks with A and an 1._______________________elephant 2.________________________university 3.__________________________umbrella 4.__________________________ticket 5.___________________________VIP 6._____________________________honest man 7.______________________________half-hour lesson 8.___________________________one-hour lesson 9.____________________________useful book 10._________________________________SOS 11.___________________________X-ray 12.__________________________European 13._____________________________hand 14.______________________________underpass 15.______________________________unit 16.________________________________CD 17.______________________________exam 18.____________________________school