题目内容：
It was not until he arrived in class _____ realized he had forgotten his book.(A)when he
(B)that he
(C)and he
(D)he
参考答案：
选择题：It was not until he arrived in class _____ realize
- 题目分类：郑州工程技术学院-大学英语1
- 题目类型：选择题
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(A)when he
(B)that he
(C)and he
(D)he