问题描述：
1.She is not the same girl as she _________(be)
2.There are still many diseases __________(not understand)very well
3.___________(not ask)to give a performance at the party disappionted her very much.
4.when asked by the police ,he said that he remembered________ at the party,but not______.
A.to arrive ,leaving
B to arrive ,to leave
C .arriving,leaving
D.arriving ,to leave
要原因
2.There are still many diseases __________(not understand)very well
3.___________(not ask)to give a performance at the party disappionted her very much.
4.when asked by the police ,he said that he remembered________ at the party,but not______.
A.to arrive ,leaving
B to arrive ,to leave
C .arriving,leaving
D.arriving ,to leave
要原因
问题解答：
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