1. It was a long hot summer.
2. It’s fourteen years since I saw him.
3. It costs me only 20 baht.
4. It is easier to talk about a problem than it is to solve it.
5. How long is it since you had a raise in salary?
6. It is unlikely that the results of the elections will be made public before tomorrow morning.
7. It would have been a perfect paper except for one misspelled word.
8. It has been raining every day. The rivers have overflowed their banks.
9. It is a well-known fact that deforestation will cause soil erosion and flooding.
10. It is extremely important for an engineer to know how to use a computer.
II. จงแปลประโยคซึ่งมีสรรพนามให้ได้ใจความ
1. It may be concluded that at least sixteen schools have adopted these plans.
2. It is very cold in the hills of northern Thailand.
3. Take it easy and everything will be all right.
4. It’s hot today. What’s the temperature?
5. It was said that he was jealous of her.
6. It was annoying not being able to remember his address.
7. It is not necessary to be rich to be happy.
8. It was suspected that our computer program had a virus.
9. I think it’s a good idea to go swimming.
10. It looks gloomy when all the trees are leafless.