—You an umbrella. Do you think we are going to have rain today? — . I use it as a walking stick.
---How are you?-- I ________ fine.
---What’s this? ---It’s ________.
“ 千克” 的缩写形式是________.
下列字母的发音中含有元音因素 的是________.
下列字母中不是元音字母的是________.