bill

I check the bill.

私は請求書を確認します

I check the bill at the beginning of every month.

私は毎月初めに請求書を確認します

I check the bill in the office at the beginning of every month.

私は毎月初めに事務室で請求書を確認します

I check the electricity bill for last month in the office at the beginning of every month.

私は毎月初めに事務室で先月の電気料金の請求書を確認します

I check the electricity bill for last month by amount in the office at the beginning of every month.

私は毎月初めに事務室で先月の電気料金の請求書を金額別に確認します