Who taught ________ to write the computer program?—Nobody. She learned it by __________.

Which team do you think ______ the game?—Hard to say. There are still ten minutes before it ends.

Let’s go _____ the road now.—Wait a moment please. The light is red now.[ ]

Is this bike_________? ———No, it’s __________.

Wushu is becoming more and more popular _____ foreigners. [ ]