Though having discussed it for long, they still haven’t reached an agreement ________ they should pour more money into the project

She was very hardworking ________he was very lazy.As a result，she passed the examination，but hefailed.[ ]

下面是日常生活中的四个话语情境，在语言表达方面最为得体的一项是（）

Maybe you should call him up.—But I don’t want to talk with him ________ the phone.

The professor’s lecture has left a deep___________ on me and up till now I can still remember every word of it.