What did Tom ask you yesterday morning? — He asked me if I _______________ to Beijing with him this Saturday.
Captain America(美国队长) is such _______ wonderful science fiction movie that I want to see it _______ second time.
Dad, please tell me when Mum_____. I miss her very much. —She will return when she_____ her task. And she will bring a nice present for you.
What is your father doing now? -He ________ the room.
You can not imagine the difficulty they had ____ the problem. It isn’t ____ easy.