填空题 A．when B．reach C．until D．so
E．recovering F．phone G．appropriate H．confusing
I．tell J．tune K．tone L．type
M．inquiries N．recording O．place
More and more residences, businesses, and even government agencies are using telephone answering machines to take messages or give information or instructions. Sometimes these machines give 11 instructions, or play messages that are difficult to understand. If you make telephone calls, you need to be ready to respond when you get a 12
The most common machine is the 13 used in residence. If you call a home where there is a telephone answering machine in operation you will hear several rings and then a recorded message that usually says something like this: "Hello, we can"t come to the 14 right now. If you want us to call you back, please leave your name and number after the beep." Then you will hear a "beep," which is a brief, high-pitched 15 . After the beep, you can say who you are, whom you want to speak to, and what number the person should call to 16 you, or you can leave a message. Some telephone answering machines record for only 20 or 30 seconds after the beep, 17 you must respond quickly. Some large businesses and government agencies are using telephone answering machines to provide information on topics about which they receive a large volume of 18 . Generally speaking, using these systems requires you to have a touchtone phone. The voice on the machine will tell you to push a certain button on your telephone if you want information on Topic A, another button for Topic B, and so on. You listen 19 you hear the topic you want to learn about, and then you push the 20 button. Immediately after making your selection, you will hear a recorded message on the topic.