Meaning: 'Momentum' means the driving force gained by the development of a process or course of events, in this case, referring to maintaining a steady pace in studying.

Wrong options:

• creep: The word 'creep' is a verb that means to move slowly and carefully, which does not fit the context of maintaining a study routine.
• status: 'Status' is a noun that refers to the relative social, professional, or other standing of someone or something, which does not relate to the action of studying.
• escape: 'Escape' is a verb that means to break free from confinement or control, which does not apply to the context of studying.
• evade: 'Evade' is a verb meaning to escape or avoid, which does not align with the idea of keeping a study routine.
• momentum: This is the correct answer, so it cannot be a wrong option.

Correct answer: creep

Explanation: The verb 'creep' fits well in this context as it describes how negative thoughts can gradually and subtly enter one's mind. It aligns with the idea of these thoughts infiltrating one's consciousness, which is a common experience when under stress.

Meaning: 'Creep' means to move slowly and quietly, often used metaphorically to describe how thoughts can subtly invade one's mind.

Wrong options:

• momentum: 'Momentum' is a noun that refers to the force of movement, which does not fit the context of thoughts entering the mind.
• status: 'Status' is a noun that refers to a state or condition, which does not relate to the action of thoughts entering one's mind.
• escape: 'Escape' is a verb that means to break free, which does not apply to the context of thoughts creeping in.
• evade: 'Evade' is a verb meaning to avoid or escape, which does not accurately describe the gradual nature of thoughts entering the mind.
• progressive: 'Progressive' is an adjective that means favoring or advocating progress, which does not fit the context of thoughts.

Correct answer: progressive

Explanation: The term 'progressive' is used as an adjective to describe the type of muscular relaxation exercises. It fits grammatically and contextually, indicating a method that involves gradual steps to achieve relaxation.

Meaning: 'Progressive' refers to something that is characterized by progress or advancement, in this case, referring to a methodical approach to relaxation exercises.

Wrong options:

• momentum: 'Momentum' is a noun that does not describe the type of exercises and is unrelated to relaxation techniques.
• status: 'Status' is a noun that does not fit as it does not describe a type of exercise.
• escape: 'Escape' is a verb that does not relate to the context of relaxation exercises.
• evade: 'Evade' is a verb meaning to avoid, which does not apply to the context of describing relaxation techniques.
• creep: 'Creep' is a verb that does not describe a type of exercise and is unrelated to the context.