Section BTask 3Directions: In this section you will hear a recorded short passage with some words or phrases missing. The passage will be read three times. Please write down the missing words or phrases according to what you hear.[音频]When you make a 1call to an office, a bank or any other institution, it is 2to know the extension number of the person you are 3. The operator will know this, but it might 4if you 5.Before you dial, you should always have the necessary6_with you.In this way, you can make a 7telephone call. You need a list of points — dates, 8and so on. This can help you to make an efficient telephone call. Proper preparation may even9you from making a second telephone call. You should use a telephone note pad in order to 10the information from callers.