英语作业填词的，求高手帮忙解答！

This was his first journey___on__plane.
His friends went to the airport to see him_/__(这个不清楚什么意思)
Please give my love__to__your parents
See you__in__a week
Don't be late __to__your lesson
You must fill__out__this form
What's your date _of__birth?
we went for a walk__by__the sea
It was hot and there were a lot of people__on___the beach
What's the price__for___that T-shirt
Have you ever been__to___London
Yes,I stayed___on__London for a fortnight
We went___through____the Gotthard tunnel to Ticino
We went___on___a boat one afternoon.

1.to 2.on at 3.off at 4.in 5.to 6.at in 7.at 8.on 9.on 10.in 11.for 12.of