Commonly used vocabulary words in Text completion questions can vary depending on the context and the level of difficulty of the text. However, there are a few types of vocabulary words that are often encountered in Text completion questions:

  1. Contrast words: These words often appear when there is a shift in meaning or a change in direction within the text. Examples include "although," "despite," "however," "nevertheless," "yet," etc. These words usually indicate a contradiction or a contrasting idea.

  2. Cause and effect words: These words are used to show a relationship between two ideas or events. Examples include "because," "since," "thus," "consequently," "therefore," etc. Identifying these words can help in understanding the logical flow of the text.

  3. Synonyms and antonyms: Text completion questions may include words that are synonyms or antonyms of the target word. This can help in eliminating incorrect options or choosing the most appropriate word. For example, if the target word is "happy," the choices could include words like "content," "joyful," or "depressed" as distractions.

  4. Specific domain vocabulary: In some Text completion questions, specific domain vocabulary related to a particular subject matter may be used. For example, if the text is about economics, words like "inflation," "monopoly," "demand," or "supply" may be used. Familiarity with domain-specific terms can help in correctly completing the text.

  5. General academic vocabulary: Text completion questions often involve academic texts, so a good command of general academic vocabulary is important. This includes words like "analyze," "synthesize," "infer," "evaluate," "comprehensive," "significant," etc. Understanding and correctly using these words can enhance comprehension and allow for accurate completion.

  It is important to note that the types of vocabulary words used in Text completion questions can vary greatly depending on the specific passage and the intended difficulty level. Hence, it is always beneficial to develop a broad vocabulary base and to practice encountering various types of vocabulary in different contexts to improve performance in Text completion questions.