[ Simple Past or Past Continuous ]
He didn’t . . . . . the answer for that question.
A. knew
B. know
C. known
D. knows
Select your answer:
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Adverbs › ViewIdentify the adverb that modifies the other adverb in the following sentence: He runs extremely fast.
A. slowly
B. quickly
C. carefully
D. extremely
Grammar › View
Have you ever been to Berlin?
A. No, it’s not.
B. No, I don’t.
C. No, I haven’t.
D. No, I didn’t.