[ Vocabulary ]
referring to a triangle with all different sides.
A. congruent
B. isosceles
C. scalene
D. right angle
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Grammar › ViewHer English is very good because she … classes for the last seven years.
A. has been taking
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Present Perfect Simple and Continuous › View
John and Tony __________________ since 10am! They just stopped hitting each other.
A. have been fought
B. have been fighting
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