—What _______ the number of the students in your school?
—About two thousand. A number of them _______ from the countryside.
A.is; are | B.is: is |
C.are; is | D.are: are |
—What _______ the number of the students in your school?
—About two thousand. A number of them _______ from the countryside.
A.is; are | B.is: is |
C.are; is | D.are: are |