A. 需求 B. 必要 C. 要求 D. 需要
A. 鲜明 B. 新鲜 C. 普通 D. 平凡
A. They have been arrested. B. They have dismissed themselves. C. They have been wiped out. D. They have not launched any attacks lately.
A. 不帮忙查电脑 B. 业务知识太少 C. 只跟书打交道 D. 总是跟人聊天
A. 曾经 B. 从来 C. 正在 D. 已经