Sentence completion questions are designed to test your ability to understand specific information shown in a passage. There are two types of sentence completion questions. This is the instruction for Type A. This is the instruction for Type B. For type A, you need to complete a sentence using one of the options given. For type B, you need to complete a sentence in a limited number of words from the passage. One of the most common errors for this type of question is when candidates do not read the passage in detail.