( ) 8.---What do you usually do ______ Sundays?---- We usual
( ) 8.---What do you usually do ______ Sundays?---- We usually go hiking.
( ) 8.---What do you usually do ______ Sundays?---- We usually go hiking.A.in B.on C.to( ) 9.A horse is ________ than a dog.A.heavier B.heavy C.heavyer