Where do you think my kid ______ be? He was here a moment ago.

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问题 Where do you think my kid ______ be? He was here a moment ago.

选项 A、must
B、can
C、had to
D、ought to

答案B

解析 此题涉及情态动词的用法,must用在肯定句中表示较有把握的推测,意为“一定”,can用在肯定句中可能性的推测,had to为have to的过去时意思是“不得不”,ought to与should意义相同,意为“应该”。因此答案为[B]。
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