Q806
The archaeological evidence . . . . . . . . clearly that people in ancient Crete . . . . . . . . flush toilets 4000 years ago.
A.
has shown/use
B.
is showing/have used
C.
showed/have been using
D.
shows/were using
AnswerE.
was showing/are using
Answer: Option D
Solution
Answer: Option D
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