буду очень благодарна!) здесь нужно сопоставить цифру с буквой.
Task 7. Match the left and right column:
1) Smoking causes ….
a) skin cancer and sunburn;
2) Air pollution can cause …
b) living beings and pollute environment;
3) Ultraviolet radiation causes
… c) heart disease;
4) Chemicals kill …
d) bad for our health;
5) Pesticides are …
e) serious environmental and health problems;
6) Rainforest take …
f) carbon dioxide and produce oxygen.