Compared with 2 million tons last year, our coal output has increased _____three times; that is to say, our coal output has increased_____8 million tonsthis year.
I failed in the final examination last term and only then ________ the importance of studies.
Henry has been looking forward to ________ his present for days, so now all that he’s looking forward to is ________ whether his father is back home.
Bobby ________ me your secret, but he meant no harm.
The speed of cars and trucks is ________ 30 kilometers per hour in large cities in China.
If you cheat in the exam, you could hardly ________ it.