1: A
2: A
3: B
4: B
5: B
6: A
Unit 5.2
1: this
2: ones
3: this
4: those
5: that
6: these
7: it's
8: this
Unit 5.3
1: this is
2: that
3: that's
4: that's
5: that's
6: those
7: that
8: those
9: that's
10: these
Unit 6.1
1:Tess’s husband works at Microsoft’s head office in California.
2: Mark and Sarah’s children are staying at their grandparents’.
3: In the UK, you can usually buy women’s perfumes at a chemist’s.
4: What’s the Prime Minister’s wife’s name? I’ve forgotten.
5: The country’s economic situation may lead to a reduction in people’s salaries.
Unit 6.2
1: School bus
2: Identity card
3: Address book
4: Shower curtain
5: Computer keyboard
Unit 6.3