[ Tenses ]
How long ______ they ______ each other? ( to know )
A. do ____ know
B. have _____ known
C. have ______ been knowing
D. did _____ know
Select your answer:
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Vocabulary › ViewIt is important to cite examples to support your argument.
A. ignore
B. hide
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Choose the correct part of speech for the underlined word: Mom went to the store for milk.
A. preposition
B. adverb
C. noun
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