Don’t touch your eyes, nose and mouth, because they aren’t covered by skin and can _______ the virus more easily.
Don’t leave the water while you brush your teeth.
We arrive at six. But I’m sorry we are late.
We all feel it is Jack as well as his wife that ________ for their son's bad performance at school.
—Do you know Anna's telephone number? —________.As a matter of fact,I don't know any about Anna,either.
It is strange that the well-behaved gentleman _______ be so rude.