—It's me. This photo _______ when I was five.
—I'm not a child any more. I ______ what to do.
—Yes, many old trees and houses .
—I'm afraid not. I'll need one more hour before my homework_______.
— Our country has been into a new era(时代) since then.
—Sure! It ____ by Mozi over 2,000 years ago.
—Yeah, it ______ nearly 500 years ago.
—In Beijing and Zhangjiakou, in 2022.
—Maybe, I think.
—It's me. The photo ______ 10 years ago.
—Our computers by a virus, so the engineer disabled(禁用)all of them.
— That's for sure. Trust me!
—Because I .
—Exactly. I have seen it twice.
—Of course. It ____ many times on the radio.
—Really? That sounds cool!
—Yeah.That' s because the G20 Sunmit(峰会)__________ next week, on September 4 and 5.
—It's OK. You_________ plenty of time to decide.