1 The man standing over there is Mary's father
对standing over there æé®ï¼Which man is Mary's father?被æé®é¨åæ¯å®è¯
2 She came to see us
对to see usæé®ï¼Why did she come 被æé®é¨åæ¯ç®çç¶è¯.
3 Waiting for me ,he saw a car accident.
对Waiting for me æé®ï¼When did he see a car accident?被æé®é¨åæ¯æ¶é´ç¶è¯.
4 碰å°è¿æ ·çå¥å,è¦å
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