He climbed up the ladder ____ the wall and went into the room _____ the open window.
travel can broaden your mind, I don’t think it’s a good idea to spend too much time and money on it [ ]
下列各句中,加点的成语使用恰当的一项是
I want to ring him___to know the reason why he rang___while I was speaking yesterday
__________ valuable advice it is. It will be of __________ great value to me.