Questions and answers
Johnny was in the 4th grade when he had to take his first school exam. When Johnny came home that day, the mother asked him, “How was ___YOUR___ exam? Were all the questions difficult?” Johnny answered, ___SMILING___ shyly, “No mom, the questions were simple. It was the answers which ___GAVE___ me all the trouble!”
The compass in the sea
Many people think that to navigate in the sea sailors need the compass. Sailors in ancient times charted their course by the stars, and ___DID_NOT_USE___ the compass. We know very little about its invention. All we know is that the compass ___WAS_MENTIONED___ for the first time in the 12th century manuscript. ___THOSE___ early compasses consisted of an iron needle attached to a piece of wood or cork that floated in a bowl of water. It wasn’t until the 19th century that a really dependable compass was invented. But the compass is no longer used on ships, it’s been replaced by a much ___BETTER___ device called the gyrocompass.