The ship circled around a made star called Mars, and his space friends ____ Ralph understand that this was their home.A. let B. made答案：B老师let 和made这两个动词后面都是接do sth.都表示“让某人做某事” 请问他们的区别在哪里？这题我选的是A，所以不...
I want the car _______ by six tonight.(A) fix (B) to fix (C) fixing (D) fixed 标准答案是 D，为什么不能选 B 呢？ 我认为选 B 就是不定式 want to do sth 的用法，希望做什么……，含义也正确，请老师解答。另外，B 和 D 都是...
...间动词的现在分词通常为一般体意义）。例如：Walking in the street, he was knocked over by a fast bicycle.
(进行体意义） He fell down, breaking his leg. (一般体意义） 我的疑问1：瞬间动词的现在分词通常为什么是一般体意义？不通常情况是如...
关于 at a meeting 的用法见得比较多，但很少见到有 in a meeting 的用法，比如下面一句：
She is in a meeting now, but I will let you know as soon as she is free.
请问 in a meeting 与 at a meeting 的区别是什么？谢谢！
...emind）_______ not to drive after drinking, some drivers are still trying the luck. 搞不明白到底是having been reminded 还是 reminded。谢谢!having done 只能用于后面是过去时，还是后面是过去时和现在时都能用?
这句话是在一部英文小说上看到的，原文是：As they grew, the Sporemounds consumed more and more, their hunger and
need to expanding knowing no end主要是后面半句，我可以理解这句话的意思，但是看不懂语法结构。如果主语是 their hunger and need to
expand...
Economy The process or system by which goods and services are produced, sold, and bought in a country or region以上定义来自韦氏高阶词典问题：这条定义当中的by which能否替换成where作为”抽象性地方名词process/system”的关系副词去自行理解。常用的关...