By the end of 2020 China _____ much stronger and richer. ( )(本题2.5分)
A、 is becoming
B、 will have become
C、 will become
D、 would become
出自:西安石油大学-石油工程技术-大学英语I(上)

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