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

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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:
Question Tag › ViewYour uncle said that he would do his best to help you, _________?
A. didn’t you
B. wouldn’t you
C. would he
D. wouldn’t he
Gerunds and Infinitives › View
I forgot _____ bread on the way home.
A. to buy
B. buying
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
