—I’d like to invite you to my new house next weekend.
—Thank you, but ____ I’ll have time I’m not sure at the moment.
| A．when | B．as | C．in case | D．unless |
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—I’d like to invite you to my new house next weekend.
—Thank you, but ____ I’ll have time I’m not sure at the moment.
| A．when | B．as | C．in case | D．unless |
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