Before attempting to answer the 10 questions, you should read through the whole text to establish its topic and general meaning. After this, you should go back to the beginning of the text and consider the example. Then you should work through the 10 questions, trying to select the correct word to fit in each space.
It may often be necessary to read a complete sentence before settling on their choice of answer. Once you have decided on an answer, you should check that the remaining options do not fit in the space. Having completed all 10 questions, you should read the whole text again with your answers, to check that it makes sense.