They didn’t reply to our letter,(which wasn’t very polite of them).请问wasn’t very polite of them前面是不是指代out letter呢?那怎样理解后半句的意思呢?

帮我翻译一下,It's odd that they didn't reply our Miss Liu didn't_______ the invitation,for she didn't want to _______ it.A.answer; receive B.reply to; accept C.reply; accept D.answer to; accept He didn’t reply to her question right away的同意句 They didn’t reply to our letter,(which wasn’t very polite of them).请问wasn’t very polite of them前面是不是指代out letter呢?那怎样理解后半句的意思呢? I asked him where to go,but he didn't _____me.A.reply B.answer to C.reply to D.replied to I asked him where to go,but he didn't _____me.A.reply B.answer to C.reply to D.replied to 翻译Sorry that I didn't reply to you as soon as I wish since I was quite busy. Didn't they come to the party last week? I didn’t know how would they go to london. 为什么They didn't need to help.不对? They didn't go to the beaches last Sunday----- ------.填空 people didn't t____(有） TVs and they didn't go to the cinema. they went to the cinema ,____?A.didn't they B.do they C.did they D.don't they They didn't allow students to design their own uniforms.改同义句They didn't __ stdents __ design they had to change the planes ,() they A hadn't B didn't C did they had to finish the work before they went home yesterday,didn't they?为什么不能用hadn't they they used to come here to play,()?反义疑问句 是填usedn't they 还是 didn't they They didn't know what they should do to deal with the problem.They didn‘t know what _____ _____ to deal with the problem.