They use old car tires to make floor covering.
\(\Rightarrow\) Old car tires is used to make floor covering.
Bị động :
They use old car tires to make floor covering .
\(\Rightarrow\) Old car is used to make floor covering .
They use old car tires to make floor covering .
\(\Rightarrow\) Old car tires are used to make floor covering .
They use old car tires to make floor covering
=> Old car tires are used to make floor covering.
