1.Connie_didn't break____(not break)her leg,but she__broke_____(break)her arm.
过去时的肯定以及否定.
2.The children__haven't finished_____(not finish)their homework.
未完成.表示至今为止的时间段,应用现在完成时,并且是否定.
1.Connie_didn't break____(not break)her leg,but she__broke_____(break)her arm.
过去时的肯定以及否定.
2.The children__haven't finished_____(not finish)their homework.
未完成.表示至今为止的时间段,应用现在完成时,并且是否定.