Some of the students (is, are) gone.
are
The girl is happy, ( because, moreover) she eats cake.
because
ten pounds of chocolate (is, are) too much to eat at once.
is
The mother duck with all of her little ducklings walks to the store.( correct this run on sentence)
The mother duck, with all of her little ducklings, walks to the store.
Jan, Joelle, and Adam, are twins.they so cute.(fragment, or complete sentence)
fragment
the girls who eat cake ( are, is ) happy.
are
Economics (is, are ) her favorite subject
is
I went to the mall with my friends after my manager gave me my payback.( correct this run on sentence)
I went to the mall with my friends, after my manager gave me my payback.
The boy liked birds, ( but, also) he was afraid of cats.
but
(Since, Therefor) you're such a good student, you'll get into a good college.
since
