[ Verb Tenses ]
During a class discussion, Abigail mentioned that she had known the answer to a question about the past participle of ‘know’. What is the past participle of ‘know’?
A. knew
B. knowing
C. known
D. knows

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Comparative and Superlative AdjectivesTenses (Present, Past, Future Forms)Adverb & Compound SentencesSynonymsVerb FormsPronouns ( Interrogative )Adverb of MannerWish - beginnerApostrophe GrammarPresent Simple: affirmative, negative, interrogativeOther quiz:
Tenses and Structure › ViewChoose the correct past simple form: ‘They (to finish) their homework last night.’
A. finish
B. finisheds
C. finishing
D. finished
TOEFL Adjective and Adverb › View
In students’ learning process, academic knowledge, critical thinking, and problem-solving abilities develop . . . .
A. as together
B. and being together
C. together
D. together which
