[ Tenses ]
Choose the most suitable form of verb for the sentence below.
They ________ each other for a long time.
A. are knowing
B. have knowing
C. know
D. have known
Select your answer:
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Types of Preposition › Viewa type of preposition that shows the relationship of place between the Nouns and other parts of a sentence
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Grammar › View
The Boryeong Mud Festival is taken place in ____________ .
A. China
B. Japan
C. South Korea
D. Vietnam