To play this video you need to enable JavaScript. Do you have a question you want us to answer? You can send us your questions to learningenglish@bbc.co.uk 1. We can use both present perfect and past ...
'Can', 'could', 'be able to', 'manage to' Present tenses Present perfect continuous Quantifiers Phrasals First and zero conditional Modals of deduction and speculation The past perfect ...
- One possible explanation of the high degree of order in the present-day world is that it is just a question of luck. 对 今天 世界 之所以 高度 有序 的 一个 可能 解释 是， 这 恰恰 是 一种 侥幸。
- of swarm since if it is not present, then it is maybe impossible for the swarm to achieve any other group objective. 稳定性 是 群集 行为 的 基本 特性， 如果 群集 不 稳定， 那么 群集 不可能 达到 或 完成 各种 集体 目标 或者 任务。
- The journalists must be present at all important events and yet still let them have opportunity to write and file their stories. 记者 必须 出席 所有 的 重要 场合， 但 同时 又 得 让 他们 有 机会 写 消息， 发 消息。
The present article reviewed the incidence, pathogenesis, manifestation, clinical evaluation, and drug treatment of such symptoms.
- "Will not the mass of Paris and its inhabitants present an obstacle dividing and delaying the enemy? " he asked the French. 他 问 法国人： “ 巴黎 群众 和 居民 难道 不会 迎战， 分割 、 牵制 敌军 吗？ ”
- I would like to give my present employer a week or ten days ' notice, but otherwise I would be free to begin any time. 但 我 想 给 我 现在 的 老板 一个 星期 到 十 天 的 预先 通知， 否则 我 就 可以 随时 开始 工作。