The sales of drugs is controlled by law in most of countries .
Stephanie: "Oh, no! I left my book at home. Can I share yours?" Scott: "______ "
Only one of our gifted students______to participate in the final competition.
She asked me______I was looking at.
Michael looked deeply hurt and surprised when_____________________ .
The examination was not very difficult, but it was_____________________ long.
Regular exercise and good diet will bring______fitness and health.
_______ has been a topic of continual geological research.
We must push the piano to the corner of the hall to_____________________ our party tonight.
Education in many countries is compulsory________the age of 16.
According to critics of globalization, several developed countries have become rich because of