Desu kara, kyōkasho o hitotōri yomaseta ato wa, rekishi yōgo ni tsuite kichinto oshieteiku hitsuyō ga aru to omoimasu.So, after you can read the textbook at a glance, I think more precise teaching using the history jargon is necessary.

Kaze o hiite, gakkō o yasunda.I didn't go to school because I caught a cold.

kenkō ni damēji o oyobosuto inflict damage on health

Seichō shitara donna mushi ni naru ka wakaranai, chīsa na yōchū.It is not known what kind of bug this little larva grows into.