调整平衡阀:( )is often the case with children,Tom was completely better by the time the doctor arrived.

it is often cool an ( )in autumn Once a day,is it too often? 用am,is,are,were,do,does填空what ()they often cat for dinner?;()they go to the movie?No,they didn't She is absent, as is often the case.译文 The information is often show on the display screen?是什么意思 What is that we never borrow but often return? What is that we never borrow but often reture? What is that we never borrow but often return?? he has often talked about how interesting it is. It is often said that ( ) teachers have ( )very easy life.