We must protect plants. They are friends of ______.
—What do you think of tomorrow’s football match?—_____ difficult for us_____ the match.
Although he was a child, he tired to find ways ________ people ________ life more.
You ______ to the meeting this afternoon if you have something important to do.
Do you have ____ to say about your family?
—Do you spend a lot of time____ computer?—No, but I spend much time_____ doing my homework.