选B
I 主语
forgot 动词
which room I was supposed to go to 是宾语从句
be supposed to do sth 应该做某事
整句话就是:我忘了我应该去哪个房间了.根据上下文的意思,这里就缺which room了.
A 错在不应该使用the
D 和 C 意思上说不通,而且从语法上也说不通,怎么可能一个句子里有两个be动词呢.
选B
I 主语
forgot 动词
which room I was supposed to go to 是宾语从句
be supposed to do sth 应该做某事
整句话就是:我忘了我应该去哪个房间了.根据上下文的意思,这里就缺which room了.
A 错在不应该使用the
D 和 C 意思上说不通,而且从语法上也说不通,怎么可能一个句子里有两个be动词呢.