Read the text and choose the correct answer for the gaps 16-18.
This book……(16)…a history of man`s exploration of space. It starts with the first observation of ancient Greeks. It then moves on to the …(17)… of the telescope in 1608 and the new knowledge it made available. It ends with the wonder of 15 January 1996 when Hubble Space Telescope ….(18)… many “new” galaxies.
16.a) is given b) gave c) gives d) giving
17. a) inventor b) invention c) invent d) invented
18. a) revealed b) revenged c) revered d) reversed
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