吗?”“是的

…? Yes.

→ 吗
phrase Rare #29,610
…? Yes. Used as a question followed by an affirmative answer.
CH: “你累吗?”“是的。”
EN: “Are you tired?” “Yes.”

“你和玛丽是朋友吗?”“是的,她是我的室友。”

“Are you and Mary friends?” “Yes, she’s my roommate.”

“她很年轻吗?”“是的。”

“Is she young?” “Yes.”

“这些车是你的吗?”“是的,是我的。”

“Are these cars yours?” “Yes, they are.”

“他喜欢音乐吗?”“是的。”

“Does he like music?” “Yes, he does.”