Select the three words which should start the second, third and fourth paragraphs in the text below. In1966,hewas500kmabovetheEarth,.,th efirstmantowalkinspace, explainswhathappenednext.“Itwasabso lutelystill,”hesays, fixingmewithastare.“;Iheardmyheavyb reath. I,myself, however, wasspeechless.”–,theIronCurtaininvi sible.,."."