We had to __________ e-mails to over 600 people to inform them of the change of location.
| A．send up | B．send out |
| C．send for | D．send away |
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We had to __________ e-mails to over 600 people to inform them of the change of location.
| A．send up | B．send out |
| C．send for | D．send away |
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