With a _________ expression on her face, she is _______ about what to do next.
In my opinion, what he told us about the affair simply doesn’t make any.
— What does Mary do? — Her job ________ helping old people who live alone.
It has been announced by our provincial government that another two medical teams will be sent to _______ the injured people in the severe earthquake.
The invention of steam engine greatly sped up the industrial revolution, which ________ a lot to the take-off of the world.
__________I see him, he looks sad.