[ Grammar ]
If you want to be an astronaut, you need to experience microgravity on a _______ flights.
A. habitable
B. universal
C. parabolic
D. unhabitable
Select your answer:
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Other quiz:
Vocabulary and Grammar › Viewcoffee late at night isn’t very good for you.
A. To drink
B. Drinking
C. Drink
Grammar › View
fly + ing =
A. flying
B. fliing
How to use : Read the question carefully, then select one of the answers button.