An old lady was crossing the street in front of my car and I

An old lady was crossing the street in front of my car and I ________ stop very quickly.
A.must
B.have to
C.has to
D.had to
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blackhorse1 幼苗

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答案D
剖析:must表示说话人的主观看法,意为“必须、应当”;而have to则表示客观需要做的事情,第三人称单数形式用has to,过去式用had to,意为“必须,不得不”.

1年前

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