[ Grammar ]
Dolphins have ________ good memories that they can recognize another dolphin they haven´t seen for twenty years.
A. so
B. such

Random Topics:
Grammar and Sentence StructureInfinitive GerundAcademic VocabularyComparatives and Past Perfect TenseWho or WhomConjunctionCountable - UncountableAnalogyComparisionsIndefinite and Reflexive PronounsOther quiz:
Some vs. Any › ViewDo you have ___ brothers and sisters?
… a.a
… b.an
… c.some
… d.any
Tenses › View
While Nora _______ reading a book, her brothers played chess.
A. is
B. are
C. was
D. were
Grammar › ViewGary ____ a famous actor
A. be
B. is
C. are
D. am
Present Simple & Present Continuous Tenses › View
My best friend ____ for Paris next year.
A. leaves
B. leave
C. is leaving
D. will leave
