YOU SAID:

i will not lose my book because it is safely placed in my bag

INTO JAPANESE

本はカバンの中に安全に入れてあるので失くすことはありません

BACK INTO ENGLISH

I keep my books safe in my bag so I don't lose them.

INTO JAPANESE

私は本をなくさないようにカバンの中に大切に保管しています。

BACK INTO ENGLISH

I keep my books carefully in my bag so I don't lose them.

INTO JAPANESE

私は本をなくさないようにカバンの中に大切に保管しています。

BACK INTO ENGLISH

I keep my books carefully in my bag so I don't lose them.