她需要买些日用品，然后去取干洗的衣服。

She needs to buy groceries ___then pick up her dry cleaning.

先完成报告，然后我们可以讨论下个季度的预算。

First, complete the report, ___then we can discuss the budget for next quarter.

我们上午应该参观博物馆，然后如果还有时间，可以去探索一下老城区。

We should visit the museum in the morning, and ___then, if we have time, explore the old town.