I don't know_____.A when the train wil reach B when the train will arrive究竟应该选那个,为什么

I don't know_____ _____ ______. I don't know_____.I don't know_____.A.whom of them I should electB.which of them I should chooseC.who of them I should electD.which of them should I choose I really don't know_____.A.what should I do B.what to do C.what does D.what doing you know ____?No,they don't know_____.Do you know ____?No,they don't know_____.A.me me B.you me C.he he D.you I 选哪个?为什么? i don‘t know what to wear.改为同义句 i don’t know_____ I _____ ______. I really don`t know_____ A.what to do it B.how to do C.what to do D.how I do I don't know how we use this computer=i don't know_____ ______ _____this computer 我不知道Jim在哪里,咱们敲敲门I don't know_____.Let's_______. I don't know_____.A when the train wil reach B when the train will arrive究竟应该选那个,为什么 I don't know what I can feed the cat.(改为同义句） I don't know_____ _____ _____the cat. I don't know the boy.Do you know_____(he)用所给词的适当形式填空 I really don't know_____ about it.选择（初二）A how to do B what to do C how can I do D what can I do选什么?为什么? I speak a few words of french.I don't know_____ french有4个选项 1 many 2 much 3 plenty of 4 a little 再解释一下为什么要这么选? I really don't know_____.A.what should I do B.what to do C.what does D.how to do正确答案是B,但需要合理的解释说明,我初中英语基础不好,拜托帮我一个一个分析 I don’t know how I can get to the nearest supermarket.(改为简单句) I don’t know_____ _I don’t know how I can get to the nearest supermarket.(改为简单句)I don’t know_____ _____get to the nearest supermarket. 昨天李老师在办公室工作了一整天Mr Li____ _____in his office for a whole day yesterday我不知道下一步做什么I don't know_____ _____ _____next 一Which do your prefer,tea or coffe?I don't care ._____is fine.A1.Either 2.Neither C.Both D.All 二.I don't doubt _____he will come.A.whether B.that C.if D.so 三.The host feels so nervous at the beginning of the meeting.He really doesn't know_____. 八年级英语选择题 I don't know____.I don't know_____.A.how old the girl isB.where does he come fromC.what is her nameD.when will he arrive原因是什么,别的选项错在哪里,求详细解答,类似题型要怎么做