Sắp xếp thành câu hoàn chỉnh

6. My sister / can / speak / English / fluently / but / she / can / not / sing / English.
7. Linda / be / artist/. / She / can / paint / well.
8. Yesterday / I / try / open / door / but / I / can / not / do / it.
9. When / she / child / she / can / draw / beautiful / pictures.
10. Last year / Diana / can / not / run / fast / because / she / break / leg.