He had better do some r______.

He had better do some r______. had better do=? 是had better to do还是had better do had better do还是had better to do had better +do sth 还是had better +to do sth had better(not) do sth... had better do等于什么 he had better do it now.当He had better do it now.变否定句时加not,not应加在better前还是better后,为什么?请说的详细一些. 谢谢!谢谢!谢谢!谢谢!谢谢!谢谢!谢谢! I had better ___(do/to do) he had better do it now改成一般疑问句怎么改呢? 有Had he better do sth 这种句型吗急用 知道的说 别误导我 是had better do sth还是have better do sth have better do sth.和had better do sth. I heard that he had fallen ill for three days.Do you know if he is better now?单句改错 英语翻译提示had better not do sth 有had better not to do sth. had better do sth 等于什么句型 had better do中的had是不是表示过去式