22, Having been to the disco the night before, she overslept in the morning.
23, Having worked in the garden all day, we were sunburned in the evening.
24, Not having slept for two days, she wasn’t able to concentrate.
25, Not having seen for ages, I didn’t recognize him.
26, Not having ridden a horse for a long time, I found it very difficult to sit on the saddle.
27, Having refused Nam’s offer of a lift in his car, she had to walk home.
28, Having read some documents about Green Earth, she decided to join the organization.
29, Having become too dependent on the use of electricity, we have to find alternative sources of energy before fossil fuels run out.
30, Having replaced all the light bulbs in her house with LED lights, she saved a lot of money on her electricity bills.
31, catastrophic
32, emissions
33, diversity
34, preserve
35, infectious
36, deforestation
37, heat-related
38, footprint
39, extinction
40, absorb
41, extreme
42, changing
43, significant
44, connection
45, emission
