当你要了解别人是否喜欢游泳时,问:A. Do you like swimming?B. Do you like running?C. Do you like pingpang?
---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________.