解释下几个英语选择题1.He sat there doing nothing else______. A.but to

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解释下几个英语选择题
1.He sat there doing nothing else______.
A.but to laugh B.than laughing C.but laughed D.than laugh
2.I would just as soon_____rudely to the child.
A.you not speak B.you won't speak C.you not speak D.you didn't speak
3.In no circumstances can more work be got out of a machine than____.
A.to put into it B.be put into it C.is put into it D.that is to be put into it
答案是CDC,不懂,能解释下吗?谢了

1.laughed和sat并列成份,sit用过去式,所以laugh用过去式.but后面的词取决于句子前面的谓语动词,前后一致即可
2.just as soon 构成虚拟语气,意为“倒希望”、“宁愿”
3.译文：无论何时何地,要想让电脑完成更多的工作,不经人手输入指令是办不到的.machine上面大多译为机器,实际是‘计算机’；in no circumstances=在何种情况都不会,否定词组引导的倒装句,格式：倒装否定语+can(情态助动词)+其它；语法：more...than...结构比较结构,肯定一个.语义学(话语分析)：这句话的理"人比电脑好使,电脑再能干也需要人的操作和输入(编程等)"

英语选择题-------1.A smile costs nothing,But gives so_____. 一道英语选择题：There was nothing in the room but a ____ chair. do nothing but do there is nothing to do but do/doing用哪个?举例说 he sat there with nothing __ except play with her cat.doing He sat there for a lpng time without doing--- He sat there for a long time w___ doing anything he wanted nothing but----there. 英语选择题The little boy want to do nothing but . 英语选择题There is nothing more i can try to. there is no excuse for us to go around ,doing nothing ,but c we are doing nothing but ---- there A sit B sitting 应该选哪个 3.He sat there.He said nothing.(同义句) He sat there ___ ___ __