词汇运用
根据句意和汉语注释，在横线上写出单词的正确形式。
The singers ________ (成功地) mixed Chinese traditional music and modern Western music.
Are you sure you had all the doors _________ (锁上) when you left the classroom?
It is known that China has the biggest _________ (人口) in the world.
You can never imagine how much difficulty they had _________(控制) the ship in the storm.
It was a _________ (tire) trip because it was always raining during the way.
The little girl has musical talent. Maybe he will be a great _________ (music) in the future.
The players from their school are very tired now. They will _________ (probable) lose the match.
The policeman told us             (safe) is one of the most important things to us all.