题目:In order to write his paper, he borrowed a lot of _______ books from the school library. (单选题)
A. implication
B. reference
C. sample
D. saucer
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。