Do you know ___ I could pass the exam?一句能填that 和whether吗?

Do you know ___ I could pass the exam?一句能填that 和whether吗? Do you know whether I could pass the exam? 为什么whether后面用的是co Do you know ___ she could pass the exam?-Sorry ,I've no idea Do you know＿＿ could pass the exam? --Do you know ( ) I could pass the exam --Sorry,I have no id ---Do you know ______ I could pass the exam?---Sorry,I've no 请问此题选择那一个答案?Do you know __ I could pass the exam? do you know ____ i could pass the exam 连词填空 do you think tom could pass the exam? Do you know ----he couid pass the exam?-Sorry ,I have no ide I could pass in English exam.I was sure ___ that. I didn’t know ________ they could pass the exam or not．