单句语法填空
1．(2015·北京高考改编)—Can’t you stay a little longer?
—It’s getting late.I really must go now. My daughter is home alone.
2. (2015·福建高考改编)—Sorry, Mum! I failed the job interview again.
—Oh, it’s too bad. You should_have_made (make) full preparations.
3．(2015·陕西高考改编)You may feel all the training a waste of time, but I’m a hundred percent sure later you’ll be grateful you did it.
