9 – Unit 3

Check-in, p. 163

Language 1, p. 163

Language 2, p. 164

Aspects, p. 165

Option 1, p. 166

Option 2, p. 167

Option 3, p. 168

Ab Dear Sir/Madam, p. 169

Wordwise, p. 170

Check-out, p. 170