[ Grammar ]
Chimpanzees,——————— are intelligent animals, are sometimes playful and noisy.
A. what
B. who
C. which
D. that

Random Topics:
Present Perfect Tense and Simple Past TenseConditionals Type IConditional 0Present and Past Simple TenseQuantifiers with NounsWh QuestionsSimple Present Tense with Adverb of FrequencyGrammar - Present PerfectAuxiliary Verbs, if, unless and ModalSentence Structure and Verb TensesOther quiz:
Noun and Pronoun › ViewBefore entering someone’s house, we must ….. on the door.
A. Cry
B. Scream
C. Hit
D. Knock
Plural › View
What’s the plural of elk?
A. Elkes
B. Elks
C. Elk
