A. for example                      B. according to  C. such as                           D. because of Noise, ____, is a kind of pollution. A. such as    B. take for example C. like D. for example Only time will tell.时间会证明一切 tell  知道, 判断，区分 翻译句子 It’s hard to tell whether he is right._____________________________________. tell apart/ tell A from B: 区分，分别 Can you tell Tom from his twin brother?____________ Can you tell the twins apart ?_____________ Can you find the following command and request from reading?  command n&vt, 命令，指控,了解  have a command of E.g. You should ____________command of English.  背单词的好方法 随时随地背单词 不知不觉背单词 过去进行时 表示过去某一时刻或某段时间内正在进行的动作 He was making a long distance phone call to his friend in Australia from 10 to 11 last night 。 go, come , stay , leave, start 的过去进行时形式可以表示过去将要发生的动作 将来进行时 将来进行时用于在将来的某一段时间正在发生的动作，或按计划在未来将要进行的动作 This time next week she will be working in the company . Be in command of/take command of 控制  command sb to do sth,命令某人做某事   特殊用法：command that (should):  He commands that she (should) leave here at once.  request n&vt 要求，请求 request sb to do sth:要求某人做某事  request that +(should) The secretary said to the woman on the phone:could you hold on for a minute? 秘书在电话里对那位女士说：“您能稍等一会儿吗？”  hold on 等一会，坚持  Hold on to your dreams. 坚持你的梦想。 Believe it or not, there is no such thing as standard English. Believe it or not:信不信由你； There is no such...as, 没有像.......的 no such...as=not such a+可数名词  现在完成时 表示从过去，但持续到现在的动作，或表示过去发生的动作，但对现在仍留有某种后果和造成影响。 He has paid his income tax。 过去完成时 用来表示过去某个时间或某个动作之前已经完成的动作，或者表示过去某个时间开始一直延续到过去另一个时间的动作。 He said that the group had written him a letter and asked him to go there for an intervier 。 将来完成时 用来表示在将来某时间以前已经完成的动作 I am sure he will have left Tokyo by this time tomorrow 。 To warm himself, the sailor sat in front of the fire rubbing one bare foot against           .A. another B. the other C. other D. either  【答案】B The research group produced two reports based on the survey, but ________ contained any useful suggestions.A. all B. none C. either D. Neither