neither/nor
either/or
but/and
not only/but also
of
with
in
for
The students were counfusing by the derection.
The students counfused the derection.
The students were counfused by the derection.
The student are counfuse at derection.
into
to
at
None of these
in ---- through
through ---- in
under --- in
in --- under
since
far
sincerely
by
through
along
about
over