Accordingto this lesson , try to fill in the blank with proper word or phrases.How to listen to long conversations is a necessary language ability, and also is one of listening parts in PRETCO .Tip 1. 1)____________choice. Itcan help predict the topic or even the general idea. So when you’re reading, please pay close attention to and mark the key words in the choices.Tip 2. Have2)____________knowledge. Some knowledge such as sound-linking and plosive is the basic of any listening skills.Tip 3.3)____________when listening. In listening test, a long conversation is usually over 100 words at least. There are some important points for you to remember. it’s rather hard to keep all the information in mind without any special training . so it’s necessary to write down some key points or details while listening.Tip 4. Master a good4) ____________of 5)____________. Be familiar with the common words or expressions in some specific situation.