初中英语数词的用法完成句子

There are 　 　（hundred） of sheep on the hill．

用括号里所给词的适当形式填空。每空一词。
More and more people pay attention to food       (safe) now.
It seems that the woman is in her      ( thirty ).
My uncle likes reading. He often buys       (week) newspapers to read.
My favourite programme Yang Lan One on One usually begins with a       (discuss).
The Tigers in India are        (appear) faster than pandas at present.