[ Grammar ]
. The year 1969, –humans first landed on the Moon, marks a significant milestone in space exploration and science.
A. in which
B. where
C. of which
D. whose
E. which

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Vocabullary Test › ViewComputers offer a much greater degree of _____ in the way work can be organized.
A. flexible
B. flexibility
C. flexibly
D. inflexibe
Grammar › View
No sooner had Jess arrived __________ she realized that something was wrong.
A. than
B. so
C. when
D. that