根据所给音标、汉语或首字母提示写出下列句中所缺单词。
Don't forget to____ /nɔk/ at the door before entering the meeting room.
The new law is so strict that it doesn't____ / ə' lau/ any indoor smoking.
He got____ /drest/ quickly after taking a shower.
People throw l____ into the river and make it really dirty.
Nobody knew what to say and they just sat there in s____ .
The medicine should be taken t____ a day after meals.
When he grew up, he turned into an____ （诚实）and helpful person.
It's said that the terrible weather in this____ （季节）caused the ship accident.
A sweeping robot is____ （确切地）what I want for my house.
The fantastic world surely ____ （属于）to young people and the future.
上一点，F1、F2为该椭圆的两个焦点，若
，则
=（ ）
