―You’vemadegreatprogressinthestudyofEnglish,haven’tyou?...

问题详情：

―You’ve made great progress in the study of English, haven’t you?

―Yes,but much     .

remained to do  ins to do  remained to be done  ins to be done

【回答】

知识点：一般现在时及其被动式

题型：选择题