He gave the answer immediately.

That male bear is the most powerful creature in the forest.

The straight temper line on this sword is very beautiful.

When the spring days pass, the cherry blossoms begin to fall.

I check my work emails every day.

I emailed the teacher.

Waiting for his reply, I was staring at my smartphone all night.

I check my electronic mail every day.

My mailbox is full of spam.

I contacted him by electronic mail.