If it had been fine yesterday, we could have watched that air show. But it _____________ all day.
— How _____ you , Miss Gao? — I ______ fine, thanks.
— Welcome to China! — _________ .
—Do I need to take any medicine? —Yes. _______twice a day.
My father came back home ______I was cooking in the kitchen.
The work of nurses is very important because they _____ the people.