根据所给单词或首字母提示完成句子.

根据所给单词或首字母提示完成句子.
1.A:Let's climb to the top of the tower.
B:Oh,no.I'm________(frighten)of heights.
2.These beautiful frogs are _______ (poison).
3.I could not sleep well last night beause of the n______ from the next door.
4.She told me the secret in a w_______.