题文
We had to be patient because it ______ some time ______ we got the full results.
| A．was; since | B．had been; since |
| C．would be; before | D．was; before |
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We had to be patient because it ______ some time ______ we got the full results.
| A．was; since | B．had been; since |
| C．would be; before | D．was; before |
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