133. If you ____________ doing something or having something, you must do it or have it.
Does the amount of rain_____the growth of crops?
In our school it is a rule that the students are banned______computer games.
A great many students have dropped out of school and now the number of our class has____51.
The person____drugs had much difficulty in getting rid of the_____.
Years later, I began ______ what he told me right.