When ______ in a red coat, she looks like a young lady.
She can always create an atmosphere for her students, ___ allows them to talk freely with each other.
We are said to be living in ____ Information Age, ___ time of new discoveries and great changes.
—Hi, Terry, can I use your computer for a while this afternoon?—Sorry. ______
It was when she was about to go to bed ______the telephone rang.
When _____ to hand in his homework, Philip told his teacher that he had left it home.