【正文】
t they C. have they D. haven39。 finish B 10. His father ______the Party since 1978 . A . joined B . has joined C . was in D . has been in 11. Do you know him well ? Sure .We _________ friends since ten years ago . A . were B . have been C . have bee D . have made D B How long have you ____ here ? About two months . A . been B . gone C . e D . arrived 13. Hurry up! The play _____ for ten minutes. A . has begun B . had begun C . has been on D . began A C 14. It _____ ten years since he left the army . A . is B . has C . will D . was 15. Miss Green isn39。 have finished D . will 。 finished C . Have 。 finished B . Have 。 studying 6. We ______ Xiao Li since she was a little girl. A . know B . had known