We _______ pay to get into the concert. It's free.
—How can we protect ourselves _____ the earthquake?—First, we should keep calm when it happens.
— This T-shirt is too long for me . Could you show me ___________ one ?— Sure . Wait a minute .
—It’s _________ useful dictionary and you can’t throw it away . —Thank you . I didn’t know it before .
—What are you going to do, Mary ? —I’m going to draw some pictures in the park. It’s my favorite _______.
—How long will Mr Chen ? —For two months.