根据句意和汉语提示写出单词，使句子完整。（共10小题；每小题1分，满分10分）
I'm strongly _______________ (反对)smoking because it may cause cancer.
She has been a member of the ______________(国家的) basketball team for 5 years.
He must be confident if he____________(成功) in completing a difficult through hard work.
My teacher told me “either” has two _____________________________(发音).
Are you crazy? How do you ______________________ (胆敢)to do so?
There is no  ________ （怀疑）that Lanzhou will develop into a modern city in the future.
The Internet is _____________________(广泛) used in most families in our country today.
Be________________(沉默)! My baby is sleeping.
There are some green ________________________(叶子) on the tree.
The computer was invented in the _____________________(二十) century.