题目内容
12．This is a secret between you and me．You _______ tell it to others．（ ）| A． | should | B． | mustn't | C． | can | D． | may |
分析 这是你我之间的一个秘密．你绝对不能把它告诉其他人．
解答 答案：B．考查情态动词．"这是你我之间的一个秘密．你不允许把它告诉其他人．"．A应该．B不允许，绝对不能．C能．D可以．结合语境可知，既然是秘密，就"不允许"告诉其他人．用mustn't．答案是B．
点评 情态动词无人称和数的变化；不能单独使用，必须与其后的动词原形构成谓语．否定形式通常在后面加not．要注意情态动词的不同用法．
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