Ответ: упр 1

1.How long have you known  Mr Morgan?

2/ He has been working  as a teacher for 5 years.

3. Diana has come to his friend`s house.

4.They have been living here since 2010

5/The workers have built a house.

упр 2

1/little   2,a few  3 little  4 a little

упр 3

1.herself  2 -  3 ourselves  4 themselves 5 yourself

упр 4

1/ back  2 up  3 away  4 up  5 up

упр5

1. unusual 2. homeless  3 discomfort  4 development 5 sandful

Объяснение: