Some Math problems are        difficult for the students         work out.
#53037
A
so, that
B
not, but
C
such, that
D
too, to
推荐题目
Be quiet, please. I can’t _______ the guide.
#58514
A
watch
B
see
C
hear
D
listen
What            you do tomorrow?
#58788
A
shall
B
do
C
are
D
will
Let’s _____TV.  A football game is on.
#56041
A
look at
B
see
C
watch
D
look