Some sentences in the following are sentence fragments.Correct them.

题目

Some sentences in the following are sentence fragments.Correct them.
1.Gathering speed with enormous force.The plane was suddenly in the air.Then it began to climb sharply.And several minutes later started to level off.
2.The officer came to the alley where the man was last seen.And where the stolen gems were probably hidden.
3.Talking with an old friend usually revives old memories.Such as college pranks,football games,and wartime experience.
4.The next afternoon we made our way through the harbor of Okinawa.That island which had made history during World War II.
5.Because my neighbors went on vacation.They asked me to keep an eye on their house.I agreed to check the premises once a day.Since I am a person who is always ready to help.

答案

1.Gathering speed with enormous force,the plane was suddenly in the air.Then it began to climb sharply,and several minutes later started to level off.
2.The officer came to the alley where the man was last seen,and where the stolen gems were probably hidden.
3.Talking with an old friend usually revives old memories,such as college pranks,football games,and wartime experience.
4.The next afternoon we made our way through the harbor of Okinawa,the island which had made history during World War II.
5.Because my neighbors went on vacation,they asked me to keep an eye on their house.I agreed to check the premises once a day,since I am a person who is always ready to help.