Tom’t uncle must be an engineer, ____?
_______ the two are only several days apart in age, they seem to belong to wholly different generations.
Soldiers are trained under conditions that closely ______ real army inspection of PRC on National Day in Beijing.
In order to protect the environment,supermarkets and stores are forbidden to ______ free plastic bags to shoppers.
The house rent is high. I’ve got about half the space I had at home and I’m paying ________ here.
Nuclear science should be developed to guard peace ____ destroy the world.