The possibility that mass extinctions may recur periodically has given rise to such hypotheses as that of a companion star with a long-period orbit deflecting other bodies from their normal orbits, making some of them fall to Earth as meteors and causing widespread devastation upon impact.(1)”as t...
小说《Babbitt》中:He
seemed prosperous, extremely married and unromantic; and altogether unromantic
appeared this sleeping-porch, which looked on one sizable elm, two respectable
grass-plots, a cement driveway, and a corrugated iron garage. Yet Babbitt was
again dreaming of the fairy child, a...
原句:Once
I saw a post offering a wonderful course in German, and that was just what I
decided to take from a new language. 应把from改为on/in/for,为什么from不对呢?改后的介词有没有什么固定用法?
It is the most amazing film I've ever seenIt was the most amazing film I've ever seen1. 这两个句子中用is和 was 有什么区别?2. 时态不是应该符合“主过从过”嘛?如果主句是was,那么从句为什么不是had done?求助大神解答!