--Do you know ( ) I could pass the exam --Sorry,I have no idea.A.that B.whether C.what D.which

--Do you know ( ) I could pass the exam --Sorry,I have no idea.A.that B.whether C.what D.which
--Do you know ( ) I could pass the exam --Sorry,I have no idea.
A.that B.whether
C.what D.which

--Do you know ( ) I could pass the exam --Sorry,I have no idea.A.that B.whether C.what D.which
B
是否

B
是否

B.whether

B wether 你知道我能否通过考试

B
这里是宾语从句的引导词，解释为是否
翻译
你知道我是否能通过考试？对不起，我不知道