4. Complete the text with the correct forms of the verbs in brackets
The moon 1) … (be) a natural satellite that 2) … (travel) around the Earth. As the moon 3) … (move), it 4) …
(seem, change) shape. But it 5) … (not change) shape. It 6) … (have) no light of its own. When we 7) … (see)
the moon, we 8) … (see) sunlight 9) … (reflect) off it. We 10) … (can, see) the moon only if the 11) … (light) part
12) … (turn) towards Earth. During the full moon, the 13) … (light) part of the moon 14) … (turn) towards Earth.
There 15) … (be) no air on the moon. And it 16) … (be) very hot in the daytime on it. It 17) … (appear, have) no
life. Many people 18) … (want, learn) more about the moon. Long ago, people 19) … (use) only their eyes 20) …
(look) at the moon. They 21) … (not can, see) the moon’s land clearly. Later a telescope 22) … (invent). Since
then, people 23) … (use) telescopes 24) … (study) the moon.