Given below are three sentences which use a common

Solution

Explanation: In sentence i, "robust" is used correctly to refer to something strong or healthy, in this case, the economy of the country. In sentence ii, "robust" is used incorrectly because the word "robust" usually refers to something strong or sturdy, not necessarily to the reviews of a restaurant. It should be "positive" or "favorable" reviews, not "robust." In sentence iii, "robust" is used incorrectly. The phrase should be "the robustness of the machine," referring to the strength or durability of the machine.