．piano is her main focus，she's also great at guitar．
#32289
A
Since
B
Once
C
Unless
D
While
推荐题目
At the party the host presented an award to ______ took part in saving the drowning child.
#32708
A
whomever
B
whom
C
who
D
whoever
Work hard at your lessons, ______ you’ll fail the exams again.
#30943
A
and
B
but
C
otherwise
D
besides
We should consider the students’ request _____ the school library provide more books on popular science．
#34411
A
that
B
when
C
which
D
where
All the photographs in this book, stated otherwise, date from the 1950s.
#30755
A
unless
B
until
C
once
D
if