—You have made great progress in your studies of English, haven’t you?

—Yes, but much ____．

A．remains to do                                     B．remains to be done

C．is remained to do                                 D．is remained to be done

You have made great progress in your studies of English, haven't you?

Yes, but much ________.

[　　]

A．remains to do

B．is remained to do

C．remains to be done

D．is remained to be done

－You have made great progress in your studies of English, haven’t you?

－Yes, but much ______.

　 A .is remained to be done　　 B. is remained to do

　 C. remains to be done　　　　 D. remains to do

一You have made great progress in your studies of English，haven’t you?

一Yes，but much _______ ．    ‘

A．remains to do         B．is remained to do

C．remains to be done     D．is remained to be done

一You have made great progress in your studies of English，haven’t you?

一Yes，but much _______ ．

1. A.
   remains to do
2. B.
   is remained to do
3. C.
   remains to be done
4. D.
   is remained to be done

一You have made great progress in your studies of English，haven’t you?
一Yes，but much _______ ．   ‘