... an operator answers.a. For help, dial on the line. b. For help, wait for an operator to answer.c. For help, answer the operator. d. For help, stand in line. ... TEST FOR UNIT 8I. PRONUNCIATIONA. Choose the word that has the underlined (letters) pronounced differently ... knocked the doors for five hours to sell a magazine.d. Harry spent five hours to sell magazines at one house.6. If you need help, please stay on line until an operator answers.a. For help, dial...