X
合組の文がほぼ同じ意味になるように、()に適語を入れなさい。
Opening the door, I saw my mother in my room.
when ) I opened the door. I saw my mother in my room.
Walking along the street, I met my friend.
(While) I was walking along the street, I met my friend.
Feeling sick, he went to see a doctor.
(Because) I felt sick, he went to see a doctor.