— Come on, please give us some more explanation about the project.— Oh, sorry. With so much work ______ my mind, I almost break down.
Being a doctor is one of the few professions____if you make a mistake,it can mean somebody's life.
The majority of employers are planning to cut down on wages____the economic crisis.
There is____thing as failure. Failure is just life trying to move us in another direction.
Yesterday afternoon, I ______ basketball with my classmates for two hours.
In my opinion, life in the twenty-first century is much easier than ___________.