[ Grammar ]
The dolphin is ___.
A. one of the intelligentest animals in the world
B. one of the intelligent animals in the world
C. one of the most intelligent animals in the world

Random Topics:
Argumentative VocabularySentencesPronouns, Verb, ConjunctionAdjectives vs AdverbsSimple Present and Simple PastPhrasal VerbPast PassiveCountable and UncountablePast Perfect and Past Perfect ContinuousAdverb Of PlaceOther quiz:
Modal Verbs › ViewHe ___ tidy up, it’s his duty.
A. must
B. have to
C. had to
D. could
E. should
Perfect Tenses › View
We …….(do) an English online class after this pandemic situation.
A. will have done
B. do
C. have do
D. have did
Types of Sentences › ViewWhy do I have to put my phone down?
A. Declarative
B. Imperative
C. Exclamatory
D. Interrogative
Gerunds and Infinitives › View
I am always remember ———— off the lights before I leave my house.
A. turning
B. to turn
C. turned
D. being turned