—        the team finished most of their research work?—Yes, but the rest        rather difficult.
#93550
A
Has, are
B
Has, is
C
Have, are
D
Have, is
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   , I think, and all the problems could be settled.
#94958
A
If you make more efforts
B
Making more efforts
C
A bit more effort
D
To have made more efforts
 _______ could be judged from her eyes that she was terribly sorry for what she _______.
#94794
A
As…had done
B
That…did
C
As…did
D
It…had done
I remember I have been here before. There used to be a church near the park, _______? 
#94205
A
usedn’t it
B
wasn’t it
C
usedn’t there
D
did there