[ Simple Past or Past Continuous ]
He didn’t . . . . . the answer for that question.
A. knew
B. know
C. known
D. knows

Random Topics:
Quantifiers and ArticlesIndefinite and Reflexive PronounsContinuous TensesGrammar: wishes and regretsSimple PresentNoun QuantifiersGrammar: Reported QuestionsAdjective Clause and Adverb ClausePerfect Tenses and VocabularyInfinitive FormsOther quiz:
Grammar › ViewAlthough I like video games. What’s wrong with this sentence?
A. It needs a comma
B. It is an incomplete sentence
C. There should be a question mark at the end.
D. no error
Verb Tenses › View
She ___ to school yesterday.
A. walk
B. walked
C. walking
D. walks
Tenses › ViewI _ to my teacher now.
A. was talking
B. talked
C. talking
D. ‘m talking
Vocabulary › View
Her lack of confidence was obvious during the interview.
Confidence means:
A. The girl’s best friend started a rumor
B. Lack of belief in oneself
C. Communication made in secret
D. Lack of disbelief in another