A double target worksheet. The grammar point is 'used for' for explaining. (e.g. glue is used for sticking things.) There's also lots of good office vocabulary.

Students work in pairs, though if you're teaching a one-on-one class, you can always take one part.

A one-page handout with some great business vocabulary. There's a conversation to act out, plus some exercises to build students' knowledge of phrasal verbs.