怎么记单词快些??答:其中 e,ex 源自拉丁文介系词 e,ex,ec 源自希腊文介系词 ek,ex,都有 out,outside之意; extra 则来自拉丁文副词与介系词extra,原有 outside,except,without 之意. 这个字首另有两种比较少见的变音. 后面所接的字根第一个音是 f 子音时,往往会同化成 ef,如 efface v. [消除],effect n. [效果]等...
动词不定式作主语、宾语、定语、状语、补语的句子答:Some people can't bear to watch a bullfight. 有些人不忍心看斗牛。 能以不定式作宾语的动词有很多,常用的有:afford, agree, aim, ask, attempt, beg, begin, bother, care, can't bear, cease, choose, claim, commence, compete, consent, continue, dare, decide, decline, demand, deserve, ...