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ENGLISH 9 - UNIT 10 - GRAMMAR
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A total of six US missions _______ (land) men on the lunar surface by the end of 1972.
had landed
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While she _______ (work) last week, the astronaut _______ (realize) that she _______ (need) a medium - size suit for spacewalking.
was working - realized - needed
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Helen Sharman _______ (send) to the Mir space station in May 1991.
was sent
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On 31 May he carried _______ checks on the Kibo JEM Robotic Manipulator System.
out
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Nick was crazy _______ the universe after his visit to the Space Museum in Sweden.
about
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SpaceX _______ (send) three tourists on a 10-day trip to the ISS sometime in late 2025.
will send
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Some meteorites are easy to overlook because they look _______ ordinary earth rocks.
like
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Most satellites observing the Earth fly _______ an altitude of 600 kilometers to 800 kilometers above ground.
at
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_______ April 12,1961, Yuri Gagarin became the first human to go _______ space.
On - into
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Yuri Gagarin _______ (become) the first person in space when he _______ (orbit) the Earth in a Vostok spacecraft on April 12,1961.
became-orbited
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