We all recognize the necessity for people _______

We need to ________an eye on all the activities to make sure that people stay safe.A.catch

All ______ is a continuous supply of the basic necessities of life.A．what is neededB．for o

We can t emphasize ______ the importance of air and water for the survival of all species.

The blue water looked so______that we all jumped into the lake for a good swim.A．roughB．fr

We are all for your suggestion that the trip ________.A) is to put off B) was put

Recreation is good for everyone; ______, as in all things, we must observe the golden mean