4. When Mrs. Lin got home, her children ______ doingmath homework but ______ loudly(大聲地). So shewas
問題詳情
4. When Mrs. Lin got home, her children ______ doingmath homework but ______ loudly(大聲地). So shewas very angry with them. (A) are; not talking (B) aren’t; talking (C) weren’t; talked (D) weren’t; talking