All the candidates present at the conference have contributed to the development of our country, so they are each recognized specialists in their _________fields.

Expected noises are usually more _____ than unexpected ones of the like magnitude.

The young violinist is very excited because the concert given by him has never been _____.

It was raining outside,　　　,I couldn’t find a taxi.

Medicine shouldn’t be kept where it is _____ to children.