______how to do it , we had to help him.A.His not knowing B. The boy knowing notC. He not knowing D. The boy's not having known请详细分析

______how to do it , we had to help him.A.His not knowing B. The boy knowing notC. He not knowing D. The boy's not having known请详细分析 2道英语题~求解答过程和答案!1.______how hard it is, we will keep trying until we ______it.A No wonder :succeed B No matter;make C Whatever: win D Although;have2.Do you know ___we are going to Disney World tomorrow? I _______.A why ,think how to do it? Try to do it. ______how to do the work several times,but he still doesn't kown how to do the work.A l have shown him B having been shown 为什么选A?主语不应该一致吗?难道是因为有连接词BUT吗? 选择正确的句子,将序号填在横线上. 问题在下面.x(人):hello,z ______?z(人): i like summer the best.x:______z:______how about you?x:______.z:why do you like winter?______x: yes,it's cold.______i think it's very interesting.备选A bu how to do it和how to do with it do you want to do it 英语翻译It's 【】 【】 【】 【】to do find it +adj to do make it possible to do find it difficult to do, ()want()to do it today. Let me to do it. it is polite to do it's better to do how to do it then It's+adj+to do