That our environment has little to do with our abilities, characters and behavior______cen

—It seems that the sales volume has not reached our objective.— （)

He hopes that the little favor______he has been able to do does good to them.A．whatB．thatC

Its time that we ______ firm measures to protect our environment.A．have takenB．tookC．are t

The comfort zone is our living, work, and social environments that we have grown accustome

Because he has worked in our company for a very short period of time, I have very little i

It is rather _____ that the research team as a whole still has little idea about the cause of that fatal disease.