The number of students who _____________ the English club ______20.

A．take part in, is       B．join, are       C．take part in, are          D．join, is

The number of students who ________ the English club ________ 20．

1. A.
   take part in, is
2. B.
   join, are
3. C.
   take part in, are
4. D.
   join, is