We had better leave ,hadn't we 这句话有错误吗?还是haven't me 还有werent we

we had better leave now.(改为否定句)怎么改? We had better leave it unsaid.怎么会是被动的?We had better leave it unsaid.be 动词也没有看到,为什么后面是过去分词unsaid呢? 选择题：Since she is angry, we . A. had better to leave her alone B. should leave her along C. might We had better leave ,hadn't we 这句话有错误吗?还是haven't me 还有werent we had better的用法我遇到一个题目是这样的：-we had better leave soon-yes,we_____．答案是better had.为什么答案不是had或者had better? since it is already midnight,we had better leave now 这是什么时态?为什么用had?固定搭配? I had better _______ now.(leave leaving) We had better leave things ___they are until the police arrive.A.as B.like C.that D.what We had better leave things ___they are until the police arrive.A.as B.like C.that D.what It's better ____for another five minutes.A.wait B.waiting C .to waiting D .to wait问句：Had we better leave right away?到底怎么回事？ you leave now.A had better B had better nyou leave now.A had better B had better not C have Since she is angry,we _.A.had better leaving her alone B.should leave her alone C.might as well leave her alone D.had rather leave her alone.请给出解题详情. Since she is angry,we ______.a.had better leaving her alone b.should leave her alonec.might as well leave her alone d.had rather leave her alone you had better leave it to a professional的意思 Since she is very angry now,we ______.A：had better leaving her alone B：could leave her alone C：need to leave her alone D：might as well leave her alone ( B )23.We had better ______ things as they _______.A.leave / were B.leave / are 为什么不是A?不是吧,意思应该是：我们最好让他们保持原样.我这么理解的.就是不明白后头用什么时态. You ___ your key to your mother before you leave .You _________ your key to your mother before you leave .A.had better to give B.had to give better C.had better give D.had better given Can I leave this door open at night?A.should better notB.would better notC.had better notD.had not better请问选择什么 为什么?