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
出自:南阳师范学院-学前教育-大学英语(一)

完成拼图验证

按住下方滑块,将拼图拖到缺口处后松开。

拼图背景,将小拼图拖到缺口处
向右拖动滑块