å½ç¶æ¯éè¿°å¥
ä½ æè§è¿ä»å¥æ¯ç¨çé®å¥çåï¼ã
ææä»å¥é½æ¯æ主è¯é¨ååè°è¯é¨åï¼ç±thatãwhoãwhomï¼whenï¼whyï¼whereãhowï¼whichçå¼å¯¼è¯å¼å¯¼çé主å¥é¨åãå¼å¯¼è¯åè·çæ¯éè¿°å¥ã
温馨提示:答案为网友推荐,仅供参考