Iam not sure if 加句子 而为什么不是 I am not sure that 加句子 在语法上为什么么不是?

Iam not sure if 加句子 而为什么不是 I am not sure that 加句子 在语法上为什么么不是? i'm m___ you are right,but iam not sure. CAN.I.SURE.AM.NOT.SHE.IF.COME 连成句子 用 CAN..SURE .AM.NOT .SHE .IF .COME 连成句子 He is very young.Iam not sure ____he can finish the work alone or not.A .how B .that C .whether D .if为什么不选D呀！短语有whether……or not,whether or not和if……or 有if……or not。whether或if均可表示“是否”的情况如 it,am,tomorrow,sure,not,if,wil,l,rain.组句子 not so sure if it 快,急 造句,be sure和be not sure if/whether各二句. Who is that man over there?He is p____ Bob.But Iam not sure.It's a little far.Who is that man over there?He is p____ Bob.But Iam not sure.It's a little far. Where is Mrs Green now? She is ill.I think she _should be__at home,Iam not sure. Iam not sure what to e__ beacue Ihave never seen an Idian film before 麻烦填空后翻译一下 iam glad to hear you.itis good to ask for help when you are not sure what to do. IAM sure the a______will beyes I'm not sure if you will succeed in the exam.的句子成分尤其是if you will succeed in the exam在句子中的成分. Smoking is forbidden in the workshop,please stop it. Sorry,Iam not sure,A.have no idea,B.do know,C.did not know,D.选哪个啊 Sure,if you like.It’s not far.的问句 Sure,if you like.lt's not far.的中文 i am not sure if they're coming什么意思?