YDS Grammar Practice
50 soruluk YDS Grammar Practice testini çözün. Süre 45 dakikadır.
YDS Grammar Practice
Question 1 / 50
⏱ 45:00
Not until the invention of the telescope ___.
A
we knew about the moons of Jupiter
B
did humanity realize the vastness of the cosmos
C
astronomers have observed distant stars
D
the earth was believed to be the center
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