— When _______ you _______ to learn to ride your bike？ — I really can’t remember the time.

John       to London to watch the Olympic Games next week.

I found a boy _________ in the corner of the street on my way to the supermarket.

Yesterday I met Jim. We ____________ each other since we _________ middle school.

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