$I$
1. Pig-racing is often held at a country fair for entertainment.

2. New York is the biggest city in the USA, but not the capital.

3. English is an official language in Malaysia, India, and many other countries.

4. London is the capital of England, whereas Edinburgh is the capital of Scotland.

5. The number of English speakers in the world is increasing fast.

$II$
1. Because There was a loud noise next to my door last night, I couldn't sleep.

2. English learned for 4 years

3. The tsunami made many people in this area homeless.

4. If this factory treated its waste well, there would be less water pollution.

5. The road in front of my house was flooded due to the heavy rain.

$Jeikei$