Some Math problems in this book are     difficult for the students       work out.
#46496
A
so, that
B
not, but
C
such, that
D
too, to
推荐题目
You’re ________ more confident than I am.
#45804
A
far
B
very
C
too
D
a lot of
What Tom did made his mother _________.
#44823
A
be angry
B
to be angry
C
angry
D
to angry