Meaning: 'Increasingly' means 'more and more over time,' suggesting that the collaboration between humans and robots will become more common.

Wrong options:

• increase: The verb 'increase' does not fit grammatically as it does not modify the verb 'will see' correctly in this context.
• increasing: The gerund 'increasing' is not suitable here as it does not function as an adverb to describe the action of working.
• increased: The past participle 'increased' does not fit the future context of the sentence, as it implies a completed action rather than an ongoing trend.

Correct answer: struggles

Explanation: The verb 'struggles' is in the present simple tense, which is appropriate here as it describes a general truth about smart automation's capabilities. This aligns with the context of the sentence, which discusses ongoing characteristics of automation.

Meaning: 'Struggles' means that smart automation has difficulty performing certain tasks, indicating areas where human skills are still needed.

Wrong options:

• struggle: The base form 'struggle' does not fit grammatically as it does not agree with the subject 'smart automation' in the present tense.
• struggled: The past tense 'struggled' is incorrect as it suggests a completed action, which does not align with the ongoing nature of the discussion.
• struggling: The gerund 'struggling' does not fit as it cannot serve as the main verb in this context.

Correct answer: combination

Explanation: The noun 'combination' fits grammatically as it serves as the subject of the clause, indicating the merging of various technologies. It aligns contextually with the preceding discussion about the integration of different technological elements.

Meaning: 'Combination' refers to the act of joining different elements together, in this case, artificial intelligence, robotics, and other technologies.

Wrong options:

• combines: The verb 'combines' does not fit as it cannot serve as a noun in this context.
• combine: The base form 'combine' is incorrect as it does not function as a noun, which is required here.
• combining: The gerund 'combining' is not suitable as it does not serve as a noun in this context.

Correct answer: For example

Explanation: The phrase 'For example' serves as a discourse marker that introduces specific instances supporting the previous statement. It fits contextually as it provides clarity and elaboration on the types of technologies being discussed.

Meaning: 'For example' is used to introduce a specific case or illustration that clarifies or supports a previous statement.

Wrong options:

• Instead: 'Instead' implies a contrast, which does not fit the context of providing examples.
• No wonder: 'No wonder' suggests a conclusion or reasoning, which does not align with the intent of providing examples.
• Of course: 'Of course' implies an obvious statement, which does not serve the purpose of introducing examples.