seems strange to us         he can sing the English song beautifully.

----Who taught you Japanese?  ---- Nobody, I learned it by______.

 —Peter, we are good friends. We can help ____.—Yes, you’re right.

— Sorry, Mr. Green. Jim can't take part in the relay race because he's ill.— It doesn't matter. I'll ask ___ to go instead of him.

Is this school ________ my father studied in when he was a child.