The harder you study,the _______ grades you will get.( )
well
better
good
best
Please ______ the lights when you go out.( )
turn down
turn up
turn on
turn off
Every day,he gets up early ______ he can catch the first bus.( )
because
since
when
so that
The number of the students ______ over 2000 in our school.( )
is
are
be
were
Teachers often tell us"Practice _______ perfect.( )
makes
making
to make
make