He had a problem in the vision test because he has a scotoma.

After she left, her subtle fragrance lingered in the room.

He successfully made a concealed kong in mahjong.

He made a concealed kong in mahjong.

He was scared to enter the dark cave.

He acted according to my instructions one by one.

He is carefully doing each and every task.

He solved each problem one by one carefully.

My house is located near the park.

I ate one apple.