学帮网一道单项选择英语题~~~~~~~~~---Mom,I want to play football.---NO,you ____stop unless you finish your homeworkfrist.A.don't have toB.mustn'tC.not have toD.have to not选哪个?
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一道单项选择英语题~~~~~~~~~
---Mom,I want to play football.
---NO,you ____stop unless you finish your homeworkfrist.
A.don't have to
B.mustn't
C.not have to
D.have to not
选哪个?
选B not...unless是固定搭配,意思是直到...才...
而本身这个句子又有比较严厉的口气,说以用情态动词must
B 只有这个是强制的
B