Do you know who____(be) the first man to walk on the moon?是按照叙事那样用was呢,还是按照不变的事实来用is?

do you know who____ the Americas in 1492?A.invited B.found C.saw D.discovered Do you know who____(be) the first man to walk on the moon?为什么不是陈述句语序? Who____(do)you often go to school with? Do you know who____(be) the first man to walk on the moon?是按照叙事那样用was呢,还是按照不变的事实来用is? 英语~用正确形式填空 1.Do you know who____(disturb) the papers on my desk2.The rope needs to be _____(measure) so that I can know how long it is Do you know who____ （bring） me the news?是一般过去时吗?问句为什么不用did呢?答案是brought我想填did bring 为什么答案是brought 问句不是要用did吗？ they want to know who____更强壮 what do you know Do you know what Do you know Facebook? do you know my how do you know Do you know Do you know? do you know 亲,Do you know? Do you know what? do you know there?