Two thirds of the students in our school ___girlsAis.Bare.

Two thirds of the students in our school ___girlsAis.Bare.
Two thirds of the students in our school ___girls
Ais.Bare.

Two thirds of the students in our school ___girlsAis.Bare.
are
Two thirds of the students是复数含义,后面用are.

b..........

are 可数复数