一You have made great progress in your studies of English,haven’t you?一Yes,but much _______ .   ‘
#71378
A
remains to do
B
is remained to do
C
remains to be done
D
is remained to be done
推荐题目
 He took the machine to pieces to find out how it             .
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A
progressed
B
operated
C
equipped
D
managed
Mary decided to marry ___ the man she ___.
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A
with.. engaged to
B
/…was engaged
C
/..was engaged to
D
with..engaged