[ Verb Tenses ]
She __________ the answer to the question during the test.
A. knew
B. knows
C. know
D. knowing

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Grammar › ViewLet me……the answer now.
A. know
B. to know
C. can know
Grammar › View
_____ Louis _____ Edna will be at school today, because they are ill.
A. so – that
B. not only – but also
C. neither – nor
D. either – or