Premier Zhou, where are you? What is the structural clue of this poem?

Structural clues of asking, calling, searching and answering. In the poem, "Premier Zhou, where are you?" We first asked and called Premier Zhou "Where are you?" Then I searched all over the world and finally got the answer "Here". We spoke frankly and spoke highly of Premier Zhou's glorious revolutionary career, and through repeated phone calls, we poured out the deep memory of Premier Zhou by hundreds of millions of people.