It was so nice of you to come to our aid. I don’t think we ______ it without you.
| A．can manage | B．could have managed | C．must have managed | D．could manage |
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It was so nice of you to come to our aid. I don’t think we ______ it without you.
| A．can manage | B．could have managed | C．must have managed | D．could manage |
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