a full discussion of the problem, the committee spent a whole hour exchanging their ideas at the meeting. A. Have B. Having C. Had D. To have 查看更多

 

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           a full discussion of the problem, the committee spent a whole hour exchanging their ideas at the meeting.

A. Have                                                           B. Having

C. Had                                                            D. To have

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________ a full discussion of the problem, the committee spent a whole hour exchanging their ideas at the meeting.

[  ]

A.Have

B.Having

C.Had

D.To have

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