Little Johnny felt the bag, curious to know what it _____. [ ]

Our factory has been developing rapidlythese days． Thisyear’s production is five times ______ it was ten years ago．

She is ________ new comer to ________physics but she has made some useful inventions already

Do what you think is right, ______ you will gain a surprising happy ending

Though computers can do a lot of work man can’t do, they can’t completely _______ human beings.