Задание

Read the answer explanations

A. The correct answer is 3 ("which" is used to give extra information about exhaust fumes).

B. The correct answer is 4 (a conjunction "that" is used after the verb form "to be aware" to give more information).

C. The correct answer is 1 ("which" refers to the phrase "not use a car at all and travel by public transport instead").

D. The correct answer is 6 (the gerund ("making") follows the phrase "get involved with").

E. The correct answer is 7 ("that" refers to the noun "packaging" and adds some information about it).

F. The correct answer is 5 (the verb form "being" follows the phrase "to prevent toxic fumes from").