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4. Do you know.. Lan is? - She is at school now. Lan is? - She is at school now.bo al B. who A. which С. what D. where 5... IS your address? A. What B. Who C. When D. How do you play tennis? - Because I like it. 6... A. Which B. Who C. What D. Why ............ A. because B. although C. ...