根据句意及汉语提示,写出各单词的正确形式。
小题1:We’ll have to ______(训练)before the next match.
小题2:Our teachers often ______ (鼓励)students to ask questions in class.
小题3:The girl ______ (尖叫) when she saw the snake.
小题4:The old man is very sick. He takes a lot of ______ (药) every day.
小题5:______ (令人伤心地), many people still don’t want to take any actions to protect the animals.
小题6:It is really ______ (幸运的) for me to pass the driving exam .
小题7: Millie didn’t clean the room last week, she visited her friends ______ (代替).