--You’ve made great progress in your studies of English, haven’t you? --Yes, but much ______.
#81635
A
remains to do  
B
is remained to do
C
remains to be done
D
is remained to be done
推荐题目
We first met in New York, if my memory          me.
#65630
A
serves
B
served
C
is serving
D
has served
For her, happiness ________ helping those in trouble. 
#69708
A
consists of
B
consists in
C
makes up
D
lie in
Please _____________ . The class is too noisy. 
#67977
A
calm down
B
settle down
C
come up
D
add up