Quote:
Originally Posted by krj  Hi
What is the answer to the following question :-
A number students want to register for the camp but the number of places
________ limited.
a) is
b) are
c) has
d) have |
a is correct because "the number", which is the thing that is limited, is singular.
Contrast this with different limitations for single adults, families and people with animals; now it would be "the number
s of places for these different types of visitors
are limited".