At first, the speaker was referring to the problem of pollution in the country, but halfway in her speech, she suddenly ________ to another subject.(1.0分)1.0 分
A、
switched
B、
committed
C、
favored
D、
transmitted
出自:河北科技师范学院-大学英语Ⅱ

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