She bought with her three friends , none of______ I had ever met before .
_____the climate changes so much has caused many discussions among the scientists.
I tried more than once to persuade the taxi driver to slow down,but he just ____listen.
I caught a bad cold the other day and my weekend ____.
Each time invited to a dinner,she always refuses, ____she has to take care of her baby.
The victims of the domestic violence, _____were often silent in the past,now choose to call for various help.