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 How long do you think _________ the computer company launches a new model?

A. it will be before  B. will it be until       C. will it be when    D. it will be that

How long do you think _________ the computer company launches a new model?

A. it will be before  B. will it be until       C. will it be when    D. it will be that

 How long do you think _________ the computer company launches a new model?

  A. it will be before  B. will it be until       C. will it be when    D. it will be that

How long do you think _________ the computer company launches a new model?

  A. it will be before  B. will it be until       C. will it be when    D. it will be that

How long do you think _________ the computer company launches a new model?

  A. it will be before  B. will it be until       C. will it be when    D. it will be that

How long do you think        the computer company launches a new model?

A．it will be before                                   B．will it be until

C．will it be when                                     D．it will be that

How long do you think ____ the computer company launches a new model?

       A．it will be before   B．will it be until     C．will it be when             D．it will be that

How long do you think _________ the computer company launches a new model?