Question

You___read this book if you don't want to. A.would't B.can't C.needn't D.mustn't

为什么选C

Answer 1

You__C_read this book if you don't want to.=== You don't have / need to read this book if you don't want to.
因为这里强调的是必要性，所以用needn't
强调许可性，我们用mustn't。
强调能力，我们用can't

追问

这个不是主将从现吗？

追答

你好。请记住，一切情态动词本身已经包含了“现在或将来”的概念，
I needn't go now . I needn't go tomorrow.
明白了吗？

Answer 2

因为needn't+动词原形 句子中表示“不必”的意思
而其他的选项没有这个意思

Answer 3

C. needn't

Answer 4

A你不会去B你不能C你不需要D你一定不能，所以选C最好了

Answer 5

needn't不必要，不需
翻译：如果你不想读这本书，你就不必去读。
wouldn't不会
can't 不能
.mustn't严禁、禁止

Answer 6

B