Young children can ______fireworks if their parents are not with them.
The young lady________ is talking with our teacher comes from America.
Waste paper mustn’t _______. We should keep our environment clean.
Come on! You will catch up with others _______ you work hard.
Jack runs ______of all in the sports meeting. He is good at running.
—Would you like to go to the cinema with me?—Yes, I’d love to. But I ______ the film twice.