---Have all the mysteries been cleared up?--- Almost. But ______ only one question ______.
#90677
A
there remains; answered
B
it remains; to be answered
C
there remains; to be answered
D
it remains; answered
推荐题目
_______by the teacher, Bob has made great progress this term.
#94514
A
Educating
B
Having educated
C
Educated
D
To be educated