根据所给单词或中文提示在空格内写出其正确形式
The little girl will travel_______ (在国外)to learn more about art.
Lucy and Tom have been in love for many years and they'll get_______（结婚的）next month.
Their________ (妻子)are standing there and chatting with each other．
Which is your favorite _________（频道）?
The air_______ (pollute) makes me feel sick.
-His mother worries about him very much.  - Why?
- Because he eats too much_______ (health) food.
Thousands of ______(tour) come to the Great Wall every year.
The children were afraid of           (dark).They screamed and cried in the dark hole.