【C17】A．proposedB．developedC．suppliedD．offered

【C17】A．showB．affordC．expressD．offer

【C19】A．advancingB．developedC．matureD．settled

【C20】A．improvedB．developedC．worsenedD．impaired

【C9】A．developingB．developedC．developD．developments

【C8】A．proposedB．developedC．suppliedD．offered

Maybe you will ask my mother how I _____ to become an industrial engineer.A.proposedB