A computer is so useful a machine ________ we can use everywhere.
[ ]
A.
that
B.
which
C.
as
D.
what
Be careful with such things.If you ________, you'll drop them.
[ ]
A.
don't
B.
aren't
C.
won't
D.
do
A computer is so useful a machine ________ we can use everywhere.
that
which
as
what
Be careful with such things.If you ________, you'll drop them.
don't
aren't
won't
do