作业帮We ______feed a goldfish much .解释并说明理由A don't need B not need C needn't toD don't need to
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We ______feed a goldfish much .解释并说明理由A don't need B not need C needn't toD don't need to
We ______feed a goldfish much .解释并说明理由
A don't need
B not need
C needn't to
D don't need to
We ______feed a goldfish much .解释并说明理由A don't need B not need C needn't toD don't need to
应该是第四个是对的.首先need 有两种词性,一个是实意动词,一个是助动词.实意动词时,否定don't need to do sth,情态动词否定,needn't do sth .这么说你明白吗
答案： D
need 是行为动词时，一般现在时的否定结构： 主语+ don't / doesn't + need to do sth.
如果是情态动词其结构：主语+ needn't do sth.
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答案是D.
need 如果做情态动词，其否定式就是needn't, 直接和动词连用，如: We needn't do any homework.
need 如果做普通动词，其否定式就是don't need, 和动词连用时需要加一个to. 如：We don't need to do any homework.
D don't need to
因为need 和 feed 中间是要用to 来连接的，need to do 所以排除AB
又因为陈述句的时候要把DO提前否定 所以用排除C
答案D
整句意思是我们不需要喂金鱼太多东西
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D need to do sth
D。need to do sth.需要做某事，need是行为动词，所以否定式是don't need
D
作为情态动词搭配如下：
need do
needn't do
作为实义动词搭配如下：
need to do
don't need to do
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