His father is a laid-off worker with a total income of around 300 yuan per month, which ________ only the basic needs of his family.
He speaks English well indeed, but of course not ______ a native speaker.
It was ____ that he had to ask for help.
Pierre Curie stopped his research and _______ Marie in the search of an unknown material.
The ________ expression on her face suggested she was _______ when she heard the news.
I hope we can do business together, and I’m looking forward with great interest _________ your call.