You _______（must） open the oven door before the cake is ready.这道题的答案给的是must 我个人认为应该是mustn't.
问题描述：
You _______（must） open the oven door before the cake is ready.
这道题的答案给的是must 我个人认为应该是mustn't.
答
mustn't或者 never must
答
恩，赞成你的答案！
答
答案也有错的时候，我赞成你。
答
你好。你是对的。
You MUSTN'T open the oven door before the cake is ready
==You MUSTN'T open the oven door UNTIL the cake is ready
== DON'T open the oven door before / until the cake is ready
答
这题主要靠常识去判断.
根据题意,在蛋糕做好之前你不能打开微波炉.
因此我也觉得是用mustn't
希望能帮到你,望采纳