一遍英语阅读理解.One sunny day,Alice sat by a river with her sister.

一遍英语阅读理解.
One sunny day,Alice sat by a river with her sister.Then she heard a sound.She looked up and saw a white rabbit in a coat passing by.
"Oh,dear!I'll be late!" said the rabbit.It took a watch out of its pocket and looked at the time.
Hoe amazing!Alice stood up and ran across the field after the rabbit.The rabbit jumpde down a big hole.Alice did not want to let the rabbit get away,so she jumped down the hole too.
Down,down,down.Alice fell for a long time,and then she hit the ground.She found herself alone in a long,low hall.There were doors all around,but they were all locked.Alice saw a small key on a table,but it did not fit any of the doors.
Then Alice noticed a small dor and put the key into it.The door opened!She could see a lovely garden on the other side.Alice tried to go throught the door,but she was too big.
1、Was the hole very deep?And how did you know that?
2、Why couldn't Alice go through the door