None of the shoes in the shops are the right size. They are _____ too big _____ too small.
A．both; and B．neither; nor
C．either; or D．not only; but also
_____ Lily _____ Lucy may go with you because one of them must stay at home.
A．Not only; but also B．Neither; nor
C．Both; and D．Either; or
The doctors tried their best to save the patient’s life, _____ failed.
A．or B．so
C．but D．because
— Would you like to go to the concert with me?
— I’d love to, _____ I can’t. I have a lot of homework to do.
A．or B．but
C．so D．and
— Didn’t you give roses to your father on Father’s Day?
— Oh, not only my father, _____ my grandpa got red roses.
A．or B．and
C．but D. until
We bought her a birthday present, _____ she liked it very much.
A．so C.and
B．or D.but
