you'd better ( )look up every new word in the dictionary because you can guess it from the xontest.1.don't 2.not 3.to not 4.not to
问题描述：
you'd better ( )look up every new word in the dictionary because you can guess it from the xontest.
1.don't 2.not 3.to not 4.not to
答
选第二个【not】
固定搭配【had better （not）do sth】最好（别）做某事
因此得出答案【not】
翻译：你最好不要每个新单词都查阅字典，因为你可以根据上下文来猜测。
希望能帮到你，满意敬请采纳，O(∩_∩)O谢谢~~
答
选第二个，had better后面用动词原形，否定形式had better not
答
had better +动词原形,其否定形式是had better not do sth