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while B. when C. before D. after ( ) 5. Uncle Wang on the farm when I met him a few weeks ago. A. is working B. has worked C. was working D. works ( ) 6. My brother interested in English since the end of last term. A. had bee B. became C. was D. has been ( ) 7. — How long shall we stay indoors? — the rain stops. A. Before B. While C. When D. Till ( ) 8. — Can you e and see me in Nanjing? — OK. I will leave for Nanjing the summer holiday . A. whenever。 will start ( ) 9. The young man saw his girl friend off at the railway station and he her through the