The document is a Vietnamese language exercise that provides sentences with blanks to be filled in with appropriate verbs or other words. The sentences cover topics such as family, school, transportation, location and daily activities. Learners are tasked with providing the missing words to complete the sentences based on context clues. The exercise is divided into multiple sections with different activity types, including filling in blanks, rearranging words to form sentences, choosing the most appropriate answer, and asking follow-up questions.