A. usually B. slowly C. certainly
A. defer B. deferenee C. deferent
A. Right. B. Wrong. C. Doesn't say.
A. 掌握科学技术知识 B. 搞好人与人的关系 C. 积极投身于社会实践 D. 等待机遇的到来
A. cat B. dog C. snake