PTE Reading Test: Fill In the Blanks For this item type, you will see 4–5 texts (80 words each) with six blank text boxes; each box represents a missing word. There is also a list of words in the blue box that you can use to fill in the gaps in each text. Your task is to choose the correct word to fill in all the gaps in each text. This reading task measures your ability to determine the main idea and supporting details of a given text.