_______ people in the world are sending information by e-mail every day.
---What a pity! I missed the last concert of the year. ---Oh, not at all. It was so terrible. In fact, I would rather I ________ there.
With he help of his friends, he has _________ a good business over the years.
"We can't go out to play football in this rainy weather," said Bob, ________ out of the window disappointed.
The twins were so much alike; I could hardly ________ Tom.
By far, there are many problems ________ to be solved.