1.Are you the only child in your fa

题目

1.Are you the only child in your fa
1.Are you the only child in your family?（根据实际情况回答） ＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿. 2.Li Lei and Li Gang are＿＿＿＿（twin）.

答案