1 私たちはその問題について、半年ほど話し合った。
　　　We ( problem / about / discussed / for / the ) six months.
　　　→ We discussed the problem for about six months.

2 寝る前にドアに鍵をかけるのを忘れないように。
　　　Don't ( before / forget / lock / the door / to / you ) go to bed.
　　　→ Don't forget to lock the door before you go to bed.

3 I ( suggested / in / she / ink / that / write / it ).
　　　→ I suggested that she write it in ink.