―Whose textbook is this?

―It _______ John’s. It has his name on it.

选择一项:
A. can’t be
B. must be
C. might be
出自:管理英语2

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