Supply the correct form of the words in brackets: He has stood for 2 hours outside of the ..... room. (surgery). The workers have to know the ..... of these devices. (intense)

Supply the correct form of the words in brackets:
1. He has stood for 2 hours outside of the...... room. (surgery)
2. The workers have to know the ….. of these devices. (intense)
3. Skilled workers are …….. admitted. (prefer)
4. She's conservative. She doesn't want any ........ (transform)
5. A few diseases are still ....... in the world. (treat)
6. Treating diseases by the laser is really a .... ( miraculous)