List: TOCFL 5

1. height, stature
2. build, figure

1. to persist, persevere, insist on
2. to hold fast to, stick to

1. how (expressing degree)
2. what (expressing exclamation)

1. thought, idea, thinking
2. ideology, philosophy

1. think, ponder, consider, contemplate
2. thought, reflection

1. profession, specialty, field of expertise
2. professional, specialised, expert

group, small team

1. react, respond
2. reaction, response

1. concentrate, focus
2. attentive, devoted

1. underground, subterranean
2. underground (illegal or secret activities)