ringing oscillator是什么意思
volume oscillator 中文含义
It's a pity that I didn't think of ringing you earlier是什么意思
the doorbell is ringing
someone is ringing the doorbell
t填空:( )mobile phone( )is ringing?
Listen!The bell is ringing.Whatis
The telephone is ringing .Please_____the telephone
The phone is ringing. 什么意思
telephone had been ringing for 5 minutes
12.--Mike,the telephone is ringing.
ringing 和 ring 发音什么不同
The telephone is ringing.who _____answer it?