根据句意和汉语提示写出单词。
That book is too high. I can’t ________ (伸手够到) it.
Animals know many ways to           (保护) themselves.
The boy was ______(勇敢) enough to walk through the forest alone..
There are some ______________(洞) on that poor boy’s sock.
I _____________ (相信) all my dreams can come true．
When the teacher _________ (进入)the classroom , the students stopped talking .
Different people have different _________ (能力)。