Would it be _______ for you to pick me up at four o’clock and take me to the airport?
—Ann is in hospital. — Oh, really? I ______ know. I _______ go and visit her.
—What are you going to do this weekend? — . If time permits, I may go to Shanghai with my friends.
Little Johnny felt the bag, wondering what it ________ .
His brother ___the army since 2012.
It is believed that life in the twenty-first century is much easier than ________ .