第一句:
I knocked at the door.
第二句:
He knocked on the window.
二個既verb都係knock...但點解兩個既prep都唔同既..
收錄日期: 2021-04-12 17:46:49
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20061217000051KK02607