如题所述
ä»è¯åé¢çå¨è¯æ¯-ingå½¢å¼ï¼å³å¨åè¯å½¢å¼ã
å¦:1.He is good at singing.=He does well in singing.ä»æ é¿äºå±æã
2.Heis looking forward to hearing from his parents.
å¦:1.He is good at singing.=He does well in singing.ä»æ é¿äºå±æã
2.Heis looking forward to hearing from his parents.
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第1个回答 2016-12-21
介词后面的动词是-ing形式,即动名词形式。