摘要：32．How long is it we last spent the holiday in the country together? A．until B．before C．since D．that
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．How long is it ______ we last spent the holiday in the country together?
A．until B．before C．since D．that
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．How long is it ______ we last spent the holiday in the country together?
A．until B．before C．since D．that
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．How long is it ______ we last spent the holiday in the country together?
| A．until | B．before | C．since | D．that |