单词拼写（共15小题；每小题1分，满分15分）
根据括号内的汉语提示完成句子。
On the evening of Mid-Autumn Festival, I usually sit in the open air with my family,      (欣赏)the full moon.
I used to live in a beautiful house       (包围)by many kinds of trees.
There is a big underground railway      (系统)in London.
Eating       (胡萝卜)can help you see better.
We know that Canada’s population is only     (稍微)over thirty million.
It is important to know your own      (长处)and weaknesses.
Each       (宗教)activity has it’s own belief.
Dinosaurs laid eggs and       (存在)on the earth for morn than 140 million years.
He wandered around Tibet for a month. His experience is      (难以置信).
We visited the in our ________(宇宙飞船) many years ago.
On his________(到达)he went straight to the counter and spoke to the clerk.
She usually_____(结合)creative imagination with intelligence to create some wonders.
A saying goes，“A friend  in need is a friend ____(真正地，确实)．”
It’s bad______(礼貌)to talk with your mouth full.
With trembling hands Mr. Jackson opened the ___  (信封) and read the letter.