句型转换（5%，每线0.5）
小题1:“When will he have a concert?” the boy asked.（改为间接引语）
The boy asked he have a concert
小题2:These tigers are facing great danger.（改为感叹句）
_________ ________ danger these tigers are facing!
小题3:Was he killed? Did he kill himself? I wonder. (合并为一句)
I wonder _________ he was killed _________ he killed himself.
小题4:We shall make an extra model.（改为同义句）
We shall make __________ ___________ model.
小题5:To prevent us from floating in the air, we must wear special boots.(提问)
_________ _________ we wear special boots?
缺失，
弯制卡环，舌侧为塑料基托连接的义齿蜡型，采用混装法装入型盒，常规去蜡，充填，磨光。