Can you hear that dog's cry?

There is an old radio cassette in my room.

My grandfather still uses an old transistor radio.

He is operating a radio-controlled helicopter.

The moment I saw the exam questions, my mind went blank.

My keys are inside the house.

He is quite a good cook.

I think his Japanese has improved quite a bit, hasn't it?

I am busy with work during the daytime.

His ears are very sensitive to music.