用词语的正确形式填空.to one'surprise,take off,walk down ,get out ,land

用词语的正确形式填空.
to one'surprise,take off,walk down ,get out ,land ,front of
1.There are many trees_ our classroom.
2.The plane to Hawaii_ at ten every morning.
3.When I met him,the boy was _ the street.
4.The plane from Japan _ at nine.
5.The girl was shopping when she saw an alien _ .
6._ ,she is a mother of three.
短短的那段横线是填答案的,
如果方便的话,把原因也写写吧!