求How long一词的准确用法,及例句,这是这个单元的重点词组,老师上课没讲,作业写不来,呜呜、、、
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how longæ以ä¸ä¸¤ä¸ªä¸»è¦ææ:
1. 表示å¤é¿æ¶é´ï¼ä¸»è¦ç¨æ¥å¯¹ä¸æ®µæ¶é´(å¦three days, four weeks ç)æé®ãå¦:
A:How long did he stay here? ä»å¨è¿å¿åäºå¤ä¹ ?
B:About two weeks. 大约两个ææã
A:How long does it take to get to London from here? ä»è¿éå°ä¼¦æ¦è¦å¤é¿æ¶é´?
B:At least ten hours. è³å°è¦10个å°æ¶ã
2. 表示æä¸è¥¿æå¤é¿ãå¦:
A:How long is the river? è¿æ¡æ²³æå¤é¿?
B:About 500 km. 大约500åç±³ã追ç
how longæ以ä¸ä¸¤ä¸ªä¸»è¦ææ:
1. 表示å¤é¿æ¶é´ï¼ä¸»è¦ç¨æ¥å¯¹ä¸æ®µæ¶é´(å¦three days, four weeks ç)æé®ãå¦:
A:How long did he stay here? ä»å¨è¿å¿åäºå¤ä¹ ?
B:About two weeks. 大约两个ææã
A:How long does it take to get to London from here? ä»è¿éå°ä¼¦æ¦è¦å¤é¿æ¶é´?
B:At least ten hours. è³å°è¦10个å°æ¶ã
2. 表示æä¸è¥¿æå¤é¿ãå¦:
A:How long is the river? è¿æ¡æ²³æå¤é¿?
B:About 500 km. 大约500åç±³ã追ç
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