1.My brother ______at the hospital six days a week a)worked. b)work 2.Steve is policeman.He ____be polite and wear uniform a)must b)ma 3.There is ____ sugar in the cake a)mush. b)man 4.Look!She ___ the piano a)plays. b)playin 5.A dolphin is ___ than a giraffe a)cleverer. b)cleveres 6.He is the _____student in our clas A)best. B)better
a) go. b) going