CAR EXHAUST FUMES CONTAIN CARBON MONOXIDE AND LEAD WHICH ARE HIGH...
258. Car exhaust fumes contain carbon monoxide and lead which are high poisonous.
a. exhaust
b. contain
c. which
d. high
258. Car exhaust fumes contain carbon monoxide and lead which are high poisonous.
a. exhaust
b. contain
c. which
d. high