—Look! There are lots of old people in the park.—They look relaxed. Some are playing the card , ___________ are chatting.
________ useful advice you gave us!
Don’t open your books, _______?
_____, please! Let’s begin our lesson.
— Please ________ late for school. — Sorry, I ________.
—______ drive after drinking. It’s too dangerous(危险的). —OK. I won’t.