根据句子中所给的单词首字母或中文提示，填写正确的单词。

根据句子中所给的单词首字母或中文提示，填写正确的单词。
小题1:We see with our eyes and we walk with our f ________.
小题2:My sister is a n________. She works in a hospital.
小题3:The old man is d , so he can’t hear anything.
小题4:Mr. Smith wrote a l to his son last night.
小题5:Don’t do that. It’s a w__________ of time.
小题6:We should know about the ______________(重要性) of learning English.
小题7:We can’t (想象)what the life will be like in 100 years.
小题8:They were playing soccer ____________ (与……同时) I was doing my homework at home.
小题9:I think it’s ____________(不公平的）for parents to do all the housework.
小题10:Jenny cut ___________(她自己) yesterday.