题目:When mother came home, she learned that her cat ________ for half an hour.
A. had died
B. died
C. would be dead
D. had been dead
答案:评论后可见此内容
推荐使用我们的公众号搜索题目,题目更全,检索更方便。支持语音、图片、文字等多种搜索方式。