The noun 'introduction' is the most suitable word here. The sentence requires a noun to represent the act of bringing digital tools into schools. The word must also agree in number with the verb 'has', so it needs to be singular.
'Wooden' is the adjective form of 'wood,' and it's needed here to describe the desks. Using the adjective clarifies the material of the desks, providing a descriptive detail.
The plural noun 'students' is required here to refer to the learners in the classroom. It makes sense in the context of using tablets and interactive software in modern education.
The adjective 'interactive' is the most appropriate form to describe the software. It specifies the type of software being used, indicating it allows for user interaction.
'Revolutionary' is the adjectival form and is used to describe the shift in education as something that causes a major change. It modifies the noun 'shift'.
The noun 'literacy' is the most suitable word to complete the phrase 'digital literacy,' which refers to the ability to use digital technology. This is the noun form of the adjective in the original.
The noun 'psychologist' is needed here to refer to a person who studies the human mind and its functions. This maintains the sentence's logical flow, indicating that the statement is coming from someone in that professional domain.
The noun 'attention' is required here to denote the mental focus or concentration that we are giving to screens. The phrase 'constant attention' accurately reflects the idea of continuously focusing on screens.
The noun 'intensity' is needed here. The sentence discusses the strength or degree of digital stimulation, making 'intensity' the most appropriate choice.
The plural noun 'scientists' is required to refer to multiple people who conduct scientific research. The plural form is used because 'many' indicates there are multiple scientists.
The adjective 'technological' is needed here to describe the type of advancements. It correctly modifies the noun 'advancements,' indicating that the progress is related to technology.
Either 'personalised' or 'personalized' can work here as adjectives to describe the tools. They indicate that the tools are tailored to individual needs. 'Personalised' is commonly used in British English, while 'personalized' is more common in American English.
The adjective 'unthinkable' is the most appropriate word. It means that the tools were previously beyond consideration or unimaginable. The prefix 'un-' makes the word negative, indicating something that could not be thought of before.
The noun 'importance' is required in this sentence. The phrase 'of great importance' is a common expression meaning that something is very significant or crucial.
The noun 'replacement' is the most suitable word here. The sentence argues that technology should not be considered as something that takes the place of a teacher, but rather as a tool to enhance learning.