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Aircraft flying in …….. arcs create microgravity for tests and simulations that last 20-25seconds.

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She’s the woman ................ sister looks after the baby for us.

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I passed all my exams - I’m …………!

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Marie, ................ I met at the party, called me last night.

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Yuri Gagarin became the first person to eat and drink in …………

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He’s so brilliant and he can do anything - ……….

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That’s the doctor for ................ Cliff works.

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A ………. is an enormous system of stars in outer space.