Ⅰ.用所给单词或短语的适当形式填空
pull, human, have a wonderful time,
wake up, find out
1.When she ____________ a day later, she found herself in hospital.
2.The police worked for a few years and at last they ____________ why the accident happened last week.
3.They went to the park and ____________ last weekend.
4.Tom ____________ his sister's hair and made her cry.
5.Dogs can hear much better than ____________.