Grammar Quiz
[ Vocabulary and Grammar ]

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

A. circular

B. parabolic

C. straight

D. oval

Select your answer:
A  B  C  D  E 


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Other quiz:

Vocabulary › View

hesitating

A. signaled, beckoned, or called

B. in a halting or pausing way; acting with reluctance or uncertainty

C. weak; having little energy

D. completely; totally

Grammar › View

There are _____________ cars on the street today! There’s a horrible traffic jam!

A. too

B. too much

C. too many

D. enough

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