[toefl] [grammer]
The boundaries of the ancient kingdom of Macedonia were in constant flux due warfare and political instability.
(1) boundaries
(2) in
(3) due
(4) political
Source:http://sabrd.alc.co.jp/toefl/grammar/index.html
wakuabout 1 year agotoefl grammer
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wakuabout 1 year agotoefl grammer
accuracy rate:100 %
1 clone