Must I clean the blackboard now?No,you___clean it later A must B needn't C can D shouldn't

问题描述:

Must I clean the blackboard now?No,you___clean it later A must B needn't C can D shouldn't
都写上

B
问must I怎么怎么样,我必须干什么吗?
这种情况下回答不必就用needn‘t不需要就可以
这是固定的你能将填好后的句子翻译下来吗唉,我没认真看题,应该选C我必须,现在擦黑板吗?不,你可以一会儿再擦。sorry如果选B的话,横线和clean之间要加上一个逗号才可以。