五、语法改错。
20. The Greens have lived in Taizhou when they came here.
______
21. Jack has always come to England since he was born.
______
22. The girl's parents have been married since over twenty years and they love each other very much.
______
23. The activity has finished for about two weeks.
______
24. Linda has learnt French since three years.
______

when→since
; come to→been in
; since→for
; finished→been over
; since→for

六、语法填空。
Good news! We are very 25. ______ (luck) to have a doctor in the family! My mum and dad, my sister and I are all interested 26. ______ art and languages. No one in the family has ever studied medicine 27. ______ our parents got married. It is so difficult and takes such a long time 28. ______ (study). So we're very proud of Micky. Now we have a doctor of 29. ______ (we) own to ask about any medical problems when we don't feel well! How good it is!
I think Micky will become 30. ______ excellent doctor. He's patient and understanding, and he cares a lot about patients. He 31. ______ (help) in car accidents and done some small operations（手术）since he became a doctor. I can't stand blood（血）, so I could never do 32. ______ he does!
Micky says he 33. ______ (real) wants to work in hospitals so that he can help people with different illnesses. Though he knows doctors in hospitals work very long 34. ______ (hour), he still sticks to this dream. So I admire（敬佩）Micky very much.

lucky
; in
; since
; to study
; our
; an
; has helped
; what
; really
; hours