When we are in the library, we should_______ [kip]quiet.

My parents strongly _________ my _________ to go to college out of Beijing, because they don’t like my being far away from them.

The price of diamond rings has risensharply _______ the price of gold rings has gone down

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

The students put down their pens when the teacher_____ them to stop writing.