Jack _______ the singing group when he was 13 years old.A.joined B.joined in C.took in
问题描述：
Jack _______ the singing group when he was 13 years old.A.joined B.joined in C.took in
D.took part in
答
答案：D.took part in解析：join是"加入"的意思 而"join in"是"参加"的意思 例如:参加党(join in the Party) "take part in"也是"参加"的意思 例如:参加歌咏小组(take part in the singing group) join表示参加某一...