求高人解答英語問題

11-15 CCDCB
16-20 DDADA

c,c,c,c,a,d,d,a,d,b

1.
by
watching
the
football
match
.
to
drink
most
carefully
4.。
4.
it
to
learn
5.
that's
why
6.
in
fact,