【題目】You _______ go far if you need help with your homework.

A. don’t need B. don’t have to

C. needn’t to D. don’t have

【答案】B

【解析】“have to do sth.”意為：“必須做某事”；“have”是一個(gè)實(shí)義動(dòng)詞，它的否定句在它前面直接加“don’t”就可以了。

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