英语单选题..youve made great progress in the study of chinese,havent u .yes but much ___A remains to be doneB is remained to do C remains to do D is remained to be done.

问题描述:

英语单选题..
youve made great progress in the study of chinese,havent u .
yes but much ___
A remains to be done
B is remained to do
C remains to do
D is remained to be done.

A,排除法排除B和D remain+be动词
要做的事情在前面,意思是什么什么待解决,肯定要用被动撒