____ the students ____ the teacher was invited.
A. Not only; but also
Both; and
C. None; of
I am looking forward to ____ you.
A. hear from
B. hearing from
C. heard from
—What would you like to drink, orange juice or Coca Cola?—Either ____ OK. I am thirsty.
A. is
B. are
C. be
What ____ your parents do?
A. does
B. do
C. are