________ exciting our life will be in the future with so many wonderful inventions!
--- I feel tired and sleepy.--- Why not stop ______ yourself?
--- I like the program Man and Nature.--- But I _______Sports News.
We dislike people ______ talk much but never do anything.
--- I called you yesterday but you weren’t at home.--- I ______ flowers in my garden at that time.
If you really want to pay me back, I hope ______ you see someone in need, you should give him a hand.