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    Robert is said abroad but I don’t know which country he studied in. A. to study B. to have studied C. studying D. having studied 【查看更多】

     

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    Robert is said ______ abroad, but I don’t know which country he studied in.

    A. to have studied    B. to study             C. to be studying     D. to have been studying

     

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    Robert is said ______ abroad, but I don’t know which country he studied in.

    A．to have studiedB．to studyC．to be studyingD．to have been studying

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    Robert is said __________ abroad, but I don’t know which country he studied in.

    A. to have studied　　　　　　　　　　　　　　　　　　　　　　 B. to study

    C. to be studying 　　　　　　　　　　　　　　　　　　　　    D. to have been studying

     

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    Robert is said __________ abroad, but I don’t know which country he studied in.

    A. to have studied　　　　　　　　　　　　　　　　　　　　　　 B. to study

    C. to be studying 　　　　　　　　　　　　　　　　　　　　    D. to have been studying

     

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    Robert is said          abroad, but I don’t know in which country he is.

    A. have been studying B. to have been studying C. have studied   D. to have studied

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