题目内容
【题目】Nancy can't come here, because she ______ do her homework.
A.has to
B.can't
C.doesn't have to
D.can
【答案】A
【解析】句意:南希不能来这里,因为她……做功课。A.必须,不得不;B.不能;C.不必;D.能。have to 常指客观需要,含有不得不或被迫之意。根据句意可知,选项A符合语境,has是have的单三形式。所以答案是:A
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