I thought _____good.to teach
children to read and write as early as possible, but in fact____not the case.选项C. it was, it was D. is, it's第一空it was 和it都可以解释的通，那么第二空到底是现在时更好呢还是过去时呢？
...were developed by doctors in Russia 这一句的mentioned above 似乎和前面的made easy有点不同，词典说：above做形容词“只能用于名词之前”，也就是说不能用作表语形容词，不能做表语型宾补。那么只能说 the above tests, 不能说 the tests are&n...
...运用类似语句来使得句子不那么普通，有哪些基本的用法和规则。句子出处：If its message were confined merely to information-and thatin itself would be difficult if not impossible to achieve, for even a detail such as the choice of the colour of a shirt is subtly
...n my recollection, and I can tell them without reference to the notes made at the time. I start them from the day which succeeded that upon which I had established two facts of great importance, the one that Mrs. Laura Lyons of Coombe Tracey had written to Sir Charles Baskerville and made ...
...hing TV when we ate.以上3句含义一样吗？如果不一样：第一句和第二句是否一样？第三句是否意味着“等我们吃完了之后，他正在看电视”？ a)He
was watching TV as something exploded.b)He
was watching TV when something exploded.a)和b)这2句含义是否一...
请问need和dare作为情态动词时，有过去式needed和dared吗？You needed not come so early和You didn't need to come so early都对吗？I dared not speak to her和I didn't dare to speak to her都对吗？
1这2个结构,用在现在时态时，always还有什么作用，可以去掉吗？2have always been doing 和 have always been done意思一样吗，是否可以互换？比如这个例句：She's always been willing to lend him a hand whenever he's in difficulty.