io in English:

I understand.

My physics teacher doesn't care if I skip classes.

What's going on in the cave? I'm curious. "I have no idea."

My shoes are too small. I need new ones.

The last person I told my idea to thought I was nuts.

What other options do I have?

I hope to one day speak German as well as you speak English.

I find it difficult to express my meaning in words.

I felt relieved when my plane landed safely.

Suddenly, I saw a beautiful bird.

Who was it that read my diary while I was out?

Yesterday, I bought a book.

I'm afraid I won't be able to make myself understand in English.

This is the picture I took of Tom's house.

Tom bet me fifty dollars that he could eat more hot dogs than I could.