[ 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:
To Infinitive/Bare Infinitive/Gerunds › ViewOur room needs ————– up.
A. tidied
B. to tide
C. tidy
D. tidying
Come vs. Go › View
_________ away! Your breath smells bad.
A. Come
B. Go
Gary ____ 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
